Is CVE-2021-3482 in the CISA KEV catalog?

No. CVE-2021-3482 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3482?

CVE-2021-3482 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-3482?

CVE-2021-3482 has an EPSS score of 2.30% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3482?

Upgrade exiv2 on debian 11 to 0.27.3-3+deb11u2 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-3482

MEDIUMEPSS 81th pctl

6.5

CVSS v3

NVD

Description

A flaw was found in Exiv2 in versions before and including 0.27.4-RC1. Improper input validation of the rawData.size property in Jp2Image::readMetadata() in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data.

CWE-20Improper Input Validation CWE-787Out-of-bounds Write

How to fix

Remediation Available

exiv2Debian

Fixed in:0.27.3-3+deb11u2CVE-2021-3482

Fixed in:0.27.5-1CVE-2021-3482

exiv2Ubuntu

Fixed in:0.25-2.1ubuntu16.04.7+esm1USN-4941-1

Fixed in:0.25-3.1ubuntu0.18.04.7USN-4941-1

Fixed in:0.27.2-8ubuntu2.2USN-4941-1

libexiv2-14Ubuntu

Fixed in:0.25-2.1ubuntu16.04.7+esm1USN-4941-1

Fixed in:0.25-3.1ubuntu0.18.04.7USN-4941-1

libexiv2-27Ubuntu

Fixed in:0.27.2-8ubuntu2.2USN-4941-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.30%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Third-Party Advisory2

Other references2

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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.