CVE-2015-8313
MEDIUMCVSS 5.9/10EPSS 1.69%
Last modified
CVE-2015-8313 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. GnuTLS incorrectly validates the first byte of padding in CBC modes. EPSS estimates a 1.69% chance of exploitation in the next 30 days.
Description
GnuTLS incorrectly validates the first byte of padding in CBC modes
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Gnutls | >= 2.0.0, <= 2.12.24 |
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- http://www.debian.org/security/2015/dsa-3408Third Party Advisory
- http://www.securityfocus.com/archive/1/537012/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/78327Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-8313Issue Tracking, Third Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2015-8313Issue Tracking, Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2015-8313Third Party Advisory
- http://www.debian.org/security/2015/dsa-3408Third Party Advisory
- http://www.securityfocus.com/archive/1/537012/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/78327Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-8313Issue Tracking, Third Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2015-8313Issue Tracking, Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2015-8313Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-8313?
GnuTLS incorrectly validates the first byte of padding in CBC modes
How severe is CVE-2015-8313?
CVE-2015-8313 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.69% probability of exploitation in the next 30 days.
How do I fix CVE-2015-8313?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2015-8313?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST