What is CVE-2015-5351?

CVE-2015-5351 is a high-severity vulnerability in Apache Tomcat, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-02-25.

How severe is CVE-2015-5351?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2015-5351 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Apache Tomcat

CVE-2015-5351

The (1) Manager and (2) Host Manager applications in Apache Tomcat 7.x before 7.0.68, 8.x before 8.0.31, and 9.x before 9.0.0.M2 establish sessions and send CSRF tokens for arbitrary new requests, which allows remote attackers to bypass a CSRF protection mechanism by using a token.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2016-02-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.097 (95.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.097 · newest: 0.097 · change: 0.000

Affected products

Apache Tomcat — versions 7.0.0, 7.0.2, 7.0.4
Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
Debian Linux — versions 7.0, 8.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

References

www.securityfocus.com/bid/83330 (vdb-entry)
packetstormsecurity.com/files/135882/Apache-Tomcat-CSRF-Token-Leak.html
www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
security.gentoo.org/glsa/201705-09 (vendor-advisory)
svn.apache.org/viewvc
lists.opensuse.org/opensuse-security-announce/2016-03/msg00085.html (vendor-advisory)
tomcat.apache.org/security-9.html (Vendor Advisory)
www.ubuntu.com/usn/USN-3024-1 (vendor-advisory)
lists.opensuse.org/opensuse-security-announce/2016-03/msg00047.html (vendor-advisory)
www.debian.org/security/2016/dsa-3530 (vendor-advisory)

Frequently asked questions

What is CVE-2015-5351?: CVE-2015-5351 is a high-severity vulnerability in Apache Tomcat, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-02-25.
How severe is CVE-2015-5351?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2015-5351 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.