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BDU:2021-04820
BDU
CriticalConfirmedExploit available

Уязвимость модуля mod_proxy веб-сервера Apache HTTP Server связана с недостаточной проверкой поступающих запросов. Эксплуатация уязвимости …

CVSS
9.8
Critical
EPSS
0.00
p0
Published
2021-01-01
Updated
2021-01-01
Description

Уязвимость модуля mod_proxy веб-сервера Apache HTTP Server связана с недостаточной проверкой поступающих запросов. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, осуществить SSRF-атаку

Tags · CWE
Pre-auth
Affected products
Apache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverApache software foundation Http serverRed hat inc. Jboss core servicesRed hat inc. Jboss core servicesRed hat inc. Jboss core servicesRed hat inc. Jboss core servicesRed hat inc. Jboss core servicesRed hat inc. Jboss core servicesRed hat inc. Jboss core services
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Timeline
2021-01-01
Published
2021-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.000 · p0
Known exploited (KEV)
No
Known exploits — Сканер-ВС
BDU:2021-04820
bdu_exploit · https://bdu.fstec.ru/vul
Enterprise
Affected software
ProductVendorStatus
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
http serverapache software foundationTracked
jboss core servicesred hat inc.Tracked
jboss core servicesred hat inc.Tracked
jboss core servicesred hat inc.Tracked
jboss core servicesred hat inc.Tracked
jboss core servicesred hat inc.Tracked
jboss core servicesred hat inc.Tracked
jboss core servicesred hat inc.Tracked
Source databases
BDU
Related vulnerabilities
External references
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-40438@https://httpd.apache.org/security/vulnerabilities_24.html@https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E@https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E@https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E@https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E@https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/@https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/@https://nvd.nist.gov/vuln/detail/CVE-2021-40438@https://access.redhat.com/security/cve/cve-2021-40438@https://wiki.astralinux.ru/astra-linux-se16-bulletin-20211126SE16@https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17@https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0114SE47@https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.3/@https://abf.rosalinux.ru/advisories/ROSA-SA-2023-2158@https://abf.rosalinux.ru/advisories/ROSA-SA-2023-2160@https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81@https://strelets.net/patchi-i-obnovleniya-bezopasnosti#16012023@https://altsp.su/obnovleniya-bezopasnosti/@https://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv@https://t.me/githubredteam/11068@https://abf.rosa.ru/advisories/ROSA-SA-2025-2900@https://abf.rosa.ru/advisories/ROSA-SA-2025-2899