Is CVE-2021-39257 in the CISA KEV catalog?

No. CVE-2021-39257 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39257?

CVE-2021-39257 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-39257?

CVE-2021-39257 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39257?

Upgrade ntfs-3g on debian 11 to 1:2017.3.23AR.3-4+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2021-39257

MEDIUM

5.5

CVSS v3

NVD

Description

A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G < 2021.8.22.

CWE-674

How to fix

Remediation Available

ntfs-3gDebian

Fixed in:1:2017.3.23AR.3-4+deb11u1CVE-2021-39257

Fixed in:1:2021.8.22-2CVE-2021-39257

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Third-Party Advisory5

Related Vulnerabilities

Other CWE-674 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2024-25111	High	8.6	65%	-	Fix
CVE-2023-50269	High	8.6	58%	-	Fix
CVE-2021-42697	High	7.5	36%	-	Fix
CVE-2018-0739	Medium	6.5	19%	-	Fix
CVE-2007-1285	High	7.5	18%	-	Fix

Embed a live status badge for CVE-2021-39257

Markdown

[![CVE-2021-39257](https://tridentstack.com/cve/badge/CVE-2021-39257.svg)](https://tridentstack.com/cve/CVE-2021-39257)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-39257"><img src="https://tridentstack.com/cve/badge/CVE-2021-39257.svg" alt="CVE-2021-39257"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.