CVE-2025-55668

mediumpriority · track · 10EPSS 0.009 · 58 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.86% (58th) EPSS

CVSS 6.5 · medium

Is it mine?

35 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-23

Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondaryexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · OSV

v3.16.2mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-384USCWE-384USCWE-384US

exploits (1)

Public proof-of-concept and weaponised exploit code.

gregk4sec/CVE-2025-55668Apache Tomcat - Session fixation via rewrite valvePoC · poc_in_github

affected products (35)

Products and version ranges known to be affected.

Apache Tomcat <10.1.42all versionscert_bundDE
Apache Tomcat <11.0.8all versionscert_bundDE
Apache Tomcat <9.0.106all versionscert_bundDE
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell PowerProtect Data Domainall versionscert_bundDEcpe:/a:dell:powerprotect_data_domain:-
IBM Power Hardware Management Consoleall versionscert_bundDEcpe:/a:ibm:hardware_management_console:-
IBM Spectrum Protect Plusall versionscert_bundDEcpe:/a:ibm:spectrum_protect_plus:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Apache Tomcat< 10.1.42cert_bundDE
Apache Tomcat< 11.0.8cert_bundDE
Apache Tomcat< 9.0.106cert_bundDE
Apache Software Foundation Apache Tomcat≤ 11.0.0-M1 ≤11.0.7enisa_euvdEU
Apache Software Foundation Apache Tomcat≤ 10.1.0-M1 ≤10.1.41enisa_euvdEU
Apache Software Foundation Apache Tomcat≤ 9.0.0.M1 ≤9.0.105enisa_euvdEU
Apache Software Foundation Tomcat10.1.0-M1 → 10.1.41fstec_bduRU
Apache Software Foundation Tomcat11.0.0-M1 → 11.0.7fstec_bduRU
Apache Software Foundation Tomcat9.0.0.M1 → 9.0.105fstec_bduRU
АО «ИВК» АЛЬТ СП 10all versionsfstec_bduRU

showing 20 of 35

advisories (5)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1826Apache Tomcat: Schwachstelle ermöglicht Session-FixationDeutsch2025-08-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache Tomcat ausnutzen, um eine Session-Fixation durchzuführen und so vertrauliche Informationen offenzulegen.
WID-SEC-W-2025-1905IBM QRadar SIEM Komponente: Mehrere SchwachstellenDeutsch2025-08-25csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM Komponenten ausnutzen, um Daten zu manipulieren, um einen Denial of Service Angriff durchzuführen, um beliebigen Programmcode auszuführen, um Sicherheitsvorkehrungen zu umgehen, und um Informationen offenzulegen.
WID-SEC-W-2026-2189Dell PowerProtect Data Domain: Mehrere SchwachstellenDeutsch2026-07-02csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell PowerProtect Data Domain ausnutzen, um seine Privilegien zu erhöhen um beliebigen Programmcode auszuführen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, um einen Cross-Site Scripting Angriff durchzuführen, um Informationen offenzulegen, und um Dateien zu manipulieren.
GHSA-23hv-mwm6-g8jfApache Tomcat Session Fixation vulnerability2025-08-13ghsa · osvUS
Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.
BIT-tomcat-2025-55668Apache Tomcat: session fixation via rewrite valve2025-08-18vendor · osvUS
Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0 through 11.0.7, from 10.1.0 through 10.1.41, from 9.0.0 through 9.0.105. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund NVD CVE.org MITRE

published 2025-08-13modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan