CVE-2013-6167
MEDIUM · CVSS 6.8EPSS 1.5%EU EUVD
Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the required character-set restrictions, which allows remote attackers to conduct the equivalent of a persistent Logout CSRF attack via a crafted parameter that forces a web application to set a malformed cookie within an HTTP response.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-352
- EPSS score
- 1.5% (75th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-5996)
- Published
- February 15, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-5996 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
References
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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