CVE-2023-31102
HIGHCVSS 7.8/10EPSS 71.04%
Last modified
CVE-2023-31102 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.. EPSS estimates a 71.04% chance of exploitation in the next 30 days.
Description
Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 7-Zip | 7-Zip | < 22.01 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Oncommand Workflow Automation | All versions |
References
- https://security.netapp.com/advisory/ntap-20231110-0007/Third Party Advisory
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/Issue Tracking, Release Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1165/Third Party Advisory, VDB Entry
- https://security.netapp.com/advisory/ntap-20231110-0007/Third Party Advisory
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/Issue Tracking, Release Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1165/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-31102?
Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
How severe is CVE-2023-31102?
CVE-2023-31102 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 71.04% probability of exploitation in the next 30 days.
How do I fix CVE-2023-31102?
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-2023-31102?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST