CVE-2015-5351

CVE-2015-5351 is a high-severity vulnerability in Apache Tomcat with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

• Severity: High (CVSS 3.x base score 8.8)
• CVSS v2: 6.8
• EPSS exploit prediction: 9% (95th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-352
• Affected product: Apache Tomcat
• Published: 2016-02-25
• Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.

How severe is CVE-2015-5351?

CVE-2015-5351 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-5351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5351?

CVE-2015-5351 primarily affects Apache Tomcat. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5351?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-5351 published?

CVE-2015-5351 was published on 2016-02-25 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00047.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00069.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00085.html
• http://packetstormsecurity.com/files/135882/Apache-Tomcat-CSRF-Token-Leak.html
• http://rhn.redhat.com/errata/RHSA-2016-1089.html
• http://rhn.redhat.com/errata/RHSA-2016-2599.html
• http://rhn.redhat.com/errata/RHSA-2016-2807.html
• http://rhn.redhat.com/errata/RHSA-2016-2808.html
• http://seclists.org/bugtraq/2016/Feb/148
• http://svn.apache.org/viewvc?view=revision&revision=1720652
• http://svn.apache.org/viewvc?view=revision&revision=1720655
• http://svn.apache.org/viewvc?view=revision&revision=1720658
• http://svn.apache.org/viewvc?view=revision&revision=1720660
• http://svn.apache.org/viewvc?view=revision&revision=1720661
• http://svn.apache.org/viewvc?view=revision&revision=1720663
• http://tomcat.apache.org/security-7.html
• http://tomcat.apache.org/security-8.html
• http://tomcat.apache.org/security-9.html
• http://www.debian.org/security/2016/dsa-3530
• http://www.debian.org/security/2016/dsa-3552
• http://www.debian.org/security/2016/dsa-3609
• http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
• http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• http://www.securityfocus.com/bid/83330
• http://www.securitytracker.com/id/1035069
• http://www.ubuntu.com/usn/USN-3024-1
• https://access.redhat.com/errata/RHSA-2016:1087
• https://access.redhat.com/errata/RHSA-2016:1088
• https://bto.bluecoat.com/security-advisory/sa118

Affected products (74)

• cpe:2.3:a:apache:tomcat:7.0.0:beta:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.2:beta:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.4:beta:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.5:beta:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.19:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.20:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.21:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.22:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.23:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.25:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.26:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.27:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.28:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.29:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.30:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.32:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.33:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.34:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.35:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.37:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.39:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.40:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.41:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.42:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.47:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.50:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.52:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.53:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.54:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.55:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.56:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.57:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.59:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.61:*:*:*:*:*:*:*

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