CVE-2021-35267
HIGHCVSS 7.8/10EPSS 0.50%
Last modified
CVE-2021-35267 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. NTFS-3G versions < 2021.8.22, a stack buffer overflow can occur when correcting differences in the MFT and MFTMirror allowing for code execution or escalation of privileges when setuid-root.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
Description
NTFS-3G versions < 2021.8.22, a stack buffer overflow can occur when correcting differences in the MFT and MFTMirror allowing for code execution or escalation of privileges when setuid-root.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tuxera | Ntfs-3g | < 2021.8.22 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 35 |
References
- http://www.openwall.com/lists/oss-security/2021/08/30/1Mailing List, Third Party Advisory
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jpThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00013.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202301-01Third Party Advisory
- https://www.debian.org/security/2021/dsa-4971Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/30/1Mailing List, Third Party Advisory
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jpThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00013.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202301-01Third Party Advisory
- https://www.debian.org/security/2021/dsa-4971Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35267?
NTFS-3G versions < 2021.8.22, a stack buffer overflow can occur when correcting differences in the MFT and MFTMirror allowing for code execution or escalation of privileges when setuid-root.
How severe is CVE-2021-35267?
CVE-2021-35267 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35267?
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-2021-35267?
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Scan your code nowSource: NVD / NIST