CVE-2020-9273
Scores
EPSS
Percentile: 68.9%
CVSS
CVSS Score: 8.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
Low (L)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
Single
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel. This triggers a use-after-free in alloc_pool in pool.c, and possible remote code execution.
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (56)
Type: Configuration
Product: proftpd
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-control
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-devel
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-dfsg
Operating System: debian
{ "fixed": "1.3.6c-2"}
Source: debian
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu bionic 18.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu impish 21.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu jammy 22.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu kinetic 22.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu lunar 23.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu mantic 23.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu noble 24.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu oracular 24.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu plucky 25.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu questing 25.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu trusty 14.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu xenial 16.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu focal 20.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu groovy 20.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu eoan 19.10
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: proftpd-dfsg
Operating System: ubuntu hirsute 21.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: proftpd-mod_ban
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_ctrls_admin
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_dynmasq
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_exec
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_facl
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_ifsession
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_ldap
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_load
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_quotatab
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_quotatab_file
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_quotatab_ldap
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_quotatab_sql
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_radius
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_ratio
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_rewrite
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_sftp
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_sftp_pam
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_sftp_sql
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_shaper
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_site_misc
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_sql
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_sql_mysql
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_sql_passwd
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_sql_postgres
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_sql_sqlite
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_tls
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_tls_memcache
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_tls_shmcache
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Product: proftpd-mod_unique_id
Operating System: altlinux
{ "fixed": "0:1.3.8-alt0.1.ga3489a6c8"}
Source: redhat
Type: Configuration
Vendor: *
Product: backports_sle
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: debian_linux
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: fedora
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: leap
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: proftpd
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:proftpd:proftpd:1.3.7:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: simatic_net_cp_1543-1_firmware
Operating System: * * *
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:o:siemens:simatic_net_cp_1543-1_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0", "vuln...
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:o:siemens:simatic_net_cp_1543-1_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0", "vulnerable": true } ], "operator": "OR" }, { "cpe_match": [ { "cpe23uri": "cpe:2.3:h:siemens:simatic_net_cp_1543-1:-:*:*:*:*:*:*:*" } ], "operator": "OR" } ], "operator": "AND"}
Source: nvd
Type: Configuration
Vendor: *
Product: simatic_net_cp_1545-1_firmware
Operating System: * * *
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:o:siemens:simatic_net_cp_1545-1_firmware:-:*:*:*:*:*:*:*", "vulnerable": true } ], "...
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:o:siemens:simatic_net_cp_1545-1_firmware:-:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR" }, { "cpe_match": [ { "cpe23uri": "cpe:2.3:h:siemens:simatic_net_cp_1545-1:-:*:*:*:*:*:*:*" } ], "operator": "OR" } ], "operator": "AND"}
Source: nvd