Asyncos
Vulnerabilities
95
Known exploited
1
Max CVSS
10
Top EPSS
0.2906
Severity breakdown
Critical
1
High
32
Medium
62
Low
0
Affected version ranges
10.1–10.1.5-00410.1–10.5.5-00510.5–10.5.5-00511.8.0–12.0.3-00511.8–14.0.412.0–12.0.3-00513.0–14.2.114.0–14.02.0-020< 11.0.2-044_md< 11.0.3-251< 11.7.2-011< 12.5.3-035< 13.0.3< 13.0.4< 13.5.0< 13.5.2< 13.8.0< 14.0< 14.0.1< 14.2.1-015< 14.5< 15.0.5-016< 15.5.1-024≤ 13.5.1
Also matched as (raw): content_security_management_appliance,email_security_appliance_firmware,web_security_appliance,secure_email_and_web_manager_virtual_appliance_m100v,secure_email_and_web_manager_virtual_appliance_m300v,email_security_appliance,secure_email_and_web_manager_virtual_appliance_m600v,asyncos
Top vulnerabilities
CVE-2025-20393A vulnerability in the Spam Quarantine feature of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to execute arbitrary system commands on an affected device with root privileges.
This vulnerability is due to insufficient validation of HTTP requests by the Spam Quarantine feature. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.
CVE-2022-20871A vulnerability in the web management interface of Cisco AsyncOS for Cisco Secure Web Appliance, formerly Cisco Web Security Appliance (WSA), could allow an authenticated, remote attacker to perform a command injection and elevate privileges to root.
This vulnerability is due to insufficient validation of user-supplied input for the web interface. An attacker could exploit this vulnerability by authenticating to the system and sending a crafted HTTP packet to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root. To successfully exploit this vulnerability, an attacker would need at least read-only credentials.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.Attention: Simplifying the Cisco portfolio includes the renaming of security products under one brand: Cisco Secure. For more information, see .
CVE-2022-20868A vulnerability in the web-based management interface of Cisco Email Security Appliance, Cisco Secure Email and Web Manager and Cisco Secure Web Appliance could allow an authenticated, remote attacker to elevate privileges on an affected system. The attacker needs valid credentials to exploit this vulnerability.
This vulnerability is due to the use of a hardcoded value to encrypt a token used for certain APIs calls . An attacker could exploit this vulnerability by authenticating to the device and sending a crafted HTTP request. A successful exploit could allow the attacker to impersonate another valid user and execute commands with the privileges of that user account.
CVE-2021-1359A vulnerability in the configuration management of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to perform command injection and elevate privileges to root. This vulnerability is due to insufficient validation of user-supplied XML input for the web interface. An attacker could exploit this vulnerability by uploading crafted XML configuration files that contain scripting code to a vulnerable device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root. An attacker would need a valid user account with the rights to upload configuration files to exploit this vulnerability.
CVE-2019-15956A vulnerability in the web management interface of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to perform an unauthorized system reset on an affected device. The vulnerability is due to improper authorization controls for a specific URL in the web management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could have a twofold impact: the attacker could either change the administrator password, gaining privileged access, or reset the network configuration details, causing a denial of service (DoS) condition. In both scenarios, manual intervention is required to restore normal operations.
BDU:2024-06104Уязвимость интерфейса командной строки (CLI) веб-интерфейса управления операционной системы Cisco AsyncOS интернет-шлюзов Cisco Secure Web Appliance (бывшее название «Cisco Web Security Appliances» связана с неправильной проверкой вводимых данных. Эксплуатация уязвимости может позволить нарушителю выполнить произвольные системные команды
BDU:2022-06804Уязвимость веб-интерфейса управления операционной системы Cisco AsyncOS системы обеспечения безопасности электронной почты Cisco Email Security Appliance (ESA), устройства управления защитой контента Cisco Secure Email and Web Manager и интернет-шлюзов Cisco Secure Web Appliance (ранее Cisco Web Security Appliance (WSA)) связана с использованием жестко закодированного криптографического ключа. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, повысить свои привилегии с помощью специально созданного HTTP-запроса
BDU:2019-04494Уязвимость прокси-сервера операционной системы Cisco AsyncOS интернет-шлюзов Cisco Web Security Appliance связана с недостатками контроля доступа. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании или получить несанкционированный доступ к защищаемой информации в результате отправки вредоносного HTTP/HTTPS запроса
CVE-2019-1947A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause the CPU utilization to increase to 100 percent, causing a denial of service (DoS) condition on an affected device. The vulnerability is due to improper handling of email messages that contain large attachments. An attacker could exploit this vulnerability by sending a malicious email message through the targeted device. A successful exploit could allow the attacker to cause a permanent DoS condition due to high CPU utilization. This vulnerability may require manual intervention to recover the ESA.
CVE-2019-1886A vulnerability in the HTTPS decryption feature of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Secure Sockets Layer (SSL) server certificates. An attacker could exploit this vulnerability by installing a malformed certificate in a web server and sending a request to it through the Cisco WSA. A successful exploit could allow the attacker to cause an unexpected restart of the proxy process on an affected device.
CVE-2018-15460A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to cause the CPU utilization to increase to 100 percent, causing a denial of service (DoS) condition on an affected device. The vulnerability is due to improper filtering of email messages that contain references to whitelisted URLs. An attacker could exploit this vulnerability by sending a malicious email message that contains a large number of whitelisted URLs. A successful exploit could allow the attacker to cause a sustained DoS condition that could force the affected device to stop scanning and forwarding email messages.
BDU:2023-04415Уязвимость механизма сканирования операционной системы Cisco AsyncOS для Cisco Secure Web Appliance связана с недостатками контроля доступа. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, обойти правила блокировки трафика при включенных типах кодирования deflate, lzma или brotli
BDU:2021-05355Уязвимость прокси-сервера операционной системы Cisco AsyncOS интернет-шлюзов Cisco Web Security Appliance связана с ошибками освобождения памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании или выполнить произвольный код
BDU:2019-01787Уязвимость прокси-сервера операционной системы Cisco AsyncOS интернет-шлюзов Cisco Web Security Appliance существует из-за недостаточной проверки входных данных. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, вызвать отказ в обслуживании в результате отправки на уязвимое устройство искаженного HTTP или HTTPS запроса
BDU:2019-00253Уязвимость функции Secure/Multipurpose Internet Mail Extentions (S/MIME) операционной системы Cisco AsyncOS связана с недостаточной проверкой входных данных. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, вызвать отказ в обслуживании с помощью специально сформированного сообщения электронной почты с подписью S/MIME
BDU:2019-00252Уязвимость функции фильтрации сообщений операционной системы Cisco AsyncOS связана с недостаточной обработкой входных данных. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, вызвать отказ в обслуживании с помощью специально сформированного сообщения электронной почты
CVE-2024-20383A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email and Web Manager could allow an authenticated, remote attacker to conduct an XSS attack against a user of the interface.
This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
CVE-2024-20435A vulnerability in the CLI of Cisco AsyncOS for Secure Web Appliance could allow an authenticated, local attacker to execute arbitrary commands and elevate privileges to root.
This vulnerability is due to insufficient validation of user-supplied input for the CLI. An attacker could exploit this vulnerability by authenticating to the system and executing a crafted command on the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root. To successfully exploit this vulnerability, an attacker would need at least guest credentials.
CVE-2020-3367A vulnerability in the log subscription subsystem of Cisco AsyncOS for the Cisco Secure Web Appliance (formerly Web Security Appliance) could allow an authenticated, local attacker to perform command injection and elevate privileges to root. This vulnerability is due to insufficient validation of user-supplied input for the web interface and CLI. An attacker could exploit this vulnerability by authenticating to the affected device and injecting scripting commands in the scope of the log subscription subsystem. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root.
CVE-2018-0095A vulnerability in the administrative shell of Cisco AsyncOS on Cisco Email Security Appliance (ESA) and Content Security Management Appliance (SMA) could allow an authenticated, local attacker to escalate their privilege level and gain root access. The attacker has to have a valid user credential with at least a privilege level of a guest user. The vulnerability is due to an incorrect networking configuration at the administrative shell CLI. An attacker could exploit this vulnerability by authenticating to the targeted device and issuing a set of crafted, malicious commands at the administrative shell. An exploit could allow the attacker to gain root access on the device. Cisco Bug IDs: CSCvb34303, CSCvb35726.
BDU:2019-02538Уязвимость прокси-сервера операционной системы Cisco AsyncOS интернет-шлюзов Cisco Web Security Appliance существует из-за недостаточной проверки входных данных. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, вызвать отказ в обслуживании в результате отправки вредоносного HTTP/HTTPS запроса
CVE-2022-20653A vulnerability in the DNS-based Authentication of Named Entities (DANE) email verification component of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient error handling in DNS name resolution by the affected software. An attacker could exploit this vulnerability by sending specially formatted email messages that are processed by an affected device. A successful exploit could allow the attacker to cause the device to become unreachable from management interfaces or to process additional email messages for a period of time until the device recovers, resulting in a DoS condition. Continued attacks could cause the device to become completely unavailable, resulting in a persistent DoS condition.
CVE-2021-34741A vulnerability in the email scanning algorithm of Cisco AsyncOS software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to perform a denial of service (DoS) attack against an affected device. This vulnerability is due to insufficient input validation of incoming emails. An attacker could exploit this vulnerability by sending a crafted email through Cisco ESA. A successful exploit could allow the attacker to exhaust all the available CPU resources on an affected device for an extended period of time, preventing other emails from being processed and resulting in a DoS condition.
CVE-2021-34698A vulnerability in the proxy service of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper memory management in the proxy service of an affected device. An attacker could exploit this vulnerability by establishing a large number of HTTPS connections to the affected device. A successful exploit could allow the attacker to cause the system to stop processing new connections, which could result in a DoS condition. Note: Manual intervention may be required to recover from this situation.
CVE-2016-1461Cisco AsyncOS on Email Security Appliance (ESA) devices through 9.7.0-125 allows remote attackers to bypass malware detection via a crafted attachment in an e-mail message, aka Bug ID CSCuz14932.