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Vulnerability details: VCID-k9cg-ehdw-dbh6
Vulnerability ID VCID-k9cg-ehdw-dbh6
Aliases CVE-2024-21733
GHSA-f4qf-m5gf-8jm8
Summary Generation of Error Message Containing Sensitive Information vulnerability in Apache Tomcat.This issue affects Apache Tomcat: from 8.5.7 through 8.5.63, from 9.0.0-M11 through 9.0.43. Other, EOL versions may also be affected. Users are recommended to upgrade to version 8.5.64 onwards or 9.0.44 onwards, which contain a fix for the issue.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
System Score Found at
cvssv3.1 5.3 http://packetstormsecurity.com/files/176951/Apache-Tomcat-8.5.63-9.0.43-HTTP-Response-Smuggling.html
generic_textual MODERATE http://packetstormsecurity.com/files/176951/Apache-Tomcat-8.5.63-9.0.43-HTTP-Response-Smuggling.html
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-21733.json
epss 0.73428 https://api.first.org/data/v1/epss?cve=CVE-2024-21733
epss 0.73428 https://api.first.org/data/v1/epss?cve=CVE-2024-21733
epss 0.73428 https://api.first.org/data/v1/epss?cve=CVE-2024-21733
epss 0.73428 https://api.first.org/data/v1/epss?cve=CVE-2024-21733
epss 0.73428 https://api.first.org/data/v1/epss?cve=CVE-2024-21733
epss 0.73428 https://api.first.org/data/v1/epss?cve=CVE-2024-21733
epss 0.73428 https://api.first.org/data/v1/epss?cve=CVE-2024-21733
apache_tomcat Important https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-21733
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-f4qf-m5gf-8jm8
cvssv3.1 5.3 https://github.com/apache/tomcat
generic_textual MODERATE https://github.com/apache/tomcat
cvssv3.1 5.3 https://github.com/apache/tomcat/commit/86ccc43940861703c2be96a5f35384407522125a
generic_textual MODERATE https://github.com/apache/tomcat/commit/86ccc43940861703c2be96a5f35384407522125a
cvssv3.1 5.3 https://github.com/apache/tomcat/commit/ce4b154e7b48f66bd98858626347747cd2514311
generic_textual MODERATE https://github.com/apache/tomcat/commit/ce4b154e7b48f66bd98858626347747cd2514311
cvssv3.1 5.3 https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz
generic_textual MODERATE https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz
ssvc Track https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz
cvssv3.1 5.3 https://lists.debian.org/debian-lts-announce/2025/01/msg00009.html
generic_textual MODERATE https://lists.debian.org/debian-lts-announce/2025/01/msg00009.html
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2024-21733
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2024-21733
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20240216-0005
generic_textual MODERATE https://security.netapp.com/advisory/ntap-20240216-0005
cvssv3.1 5.3 https://tomcat.apache.org/security-8.html
generic_textual MODERATE https://tomcat.apache.org/security-8.html
cvssv3.1 5.3 https://tomcat.apache.org/security-9.html
generic_textual MODERATE https://tomcat.apache.org/security-9.html
cvssv3.1 5.3 http://www.openwall.com/lists/oss-security/2024/01/19/2
generic_textual MODERATE http://www.openwall.com/lists/oss-security/2024/01/19/2
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at http://packetstormsecurity.com/files/176951/Apache-Tomcat-8.5.63-9.0.43-HTTP-Response-Smuggling.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-21733.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

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low

none

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none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/apache/tomcat
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/apache/tomcat/commit/86ccc43940861703c2be96a5f35384407522125a
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/apache/tomcat/commit/ce4b154e7b48f66bd98858626347747cd2514311
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none


Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-13T16:09:11Z/ Found at https://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://lists.debian.org/debian-lts-announce/2025/01/msg00009.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2024-21733
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://security.netapp.com/advisory/ntap-20240216-0005
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://tomcat.apache.org/security-8.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://tomcat.apache.org/security-9.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at http://www.openwall.com/lists/oss-security/2024/01/19/2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Exploit Prediction Scoring System (EPSS)
Percentile 0.98789
EPSS Score 0.73428
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:38:08.198622+00:00 Apache Tomcat Importer Import https://tomcat.apache.org/security-9.html 38.0.0