Security readout for executives and security teams
CVE-2021-35269 is a memory corruption flaw in NTFS-3G before 2021.8.22. A malicious NTFS filesystem could trigger a heap buffer overflow when NTFS-3G processes crafted MFT attributes, potentially leading to code execution and privilege escalation. Exposure is most likely on systems with NTFS-3G installed that mount or inspect NTFS filesystems, especially removable drives, disk images, or forensic media. Distribution packages may have backported fixes, so version validation should use vendor advisory data. Treat as high priority where NTFS media is handled, because successful exploitation could move from file parsing to code execution or privilege escalation. Internet exposure is not indicated by the provided sources. Mitigation focus: Upgrade NTFS-3G to 2021.8.22 or a vendor-fixed package.; Apply relevant Debian, Fedora, Gentoo, or other distribution security updates.; Avoid mounting untrusted NTFS media or disk images until patched..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-35269 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- DSA-4971CVE reference, mitre · vendor-advisory
- FEDORA-2021-e7c8ba6301CVE reference, mitre · vendor-advisory
- FEDORA-2021-5b1dac797bCVE reference, mitre · vendor-advisory
- [debian-lts-announce] 20211116 [SECURITY] [DLA 2819-1] ntfs-3g security updateCVE reference, mitre · mailing-list
- GLSA-202301-01CVE reference, mitre · vendor-advisory
- FEDORA-2021-e7c8ba6301CVE reference, CVE · vendor-advisory, x_transferred
- FEDORA-2021-5b1dac797bCVE reference, CVE · vendor-advisory, x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.