Is CVE-2020-27841 in the CISA KEV catalog?

No. CVE-2020-27841 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27841?

CVE-2020-27841 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-27841?

CVE-2020-27841 has an EPSS score of 1.38% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27841?

Upgrade openjpeg2 on debian 11 to 2.4.0-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2020-27841

MEDIUM

5.5

CVSS v3

NVD

Description

There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.

CWE-122Heap-based Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

openjpeg2Debian

Fixed in:2.4.0-1CVE-2020-27841

ghostscriptUbuntu

Fixed in:9.26~dfsg+0-0ubuntu0.16.04.14USN-4686-1

Fixed in:9.26~dfsg+0-0ubuntu0.18.04.14USN-4686-1

libgs9Ubuntu

Fixed in:9.26~dfsg+0-0ubuntu0.16.04.14USN-4686-1

Fixed in:9.26~dfsg+0-0ubuntu0.18.04.14USN-4686-1

libopenjp2-7Ubuntu

Fixed in:2.1.2-1.1+deb9u6ubuntu0.1~esm3USN-5952-1

Fixed in:2.1.2-1.1+deb9u6build0.16.04.1USN-4880-1

Fixed in:2.3.0-2+deb10u2build0.18.04.1USN-5952-1

Fixed in:2.3.1-1ubuntu4.20.04.1USN-4685-1

libopenjp3d7Ubuntu

Fixed in:2.1.2-1.1+deb9u6ubuntu0.1~esm3USN-5952-1

Fixed in:2.1.2-1.1+deb9u6build0.16.04.1USN-4880-1

Fixed in:2.3.0-2+deb10u2build0.18.04.1USN-5952-1

Fixed in:2.3.1-1ubuntu4.20.04.1USN-4685-1

libopenjpip7Ubuntu

Fixed in:2.1.2-1.1+deb9u6build0.16.04.1USN-4880-1

Fixed in:2.1.2-1.1+deb9u6ubuntu0.1~esm3USN-5952-1

Fixed in:2.3.0-2+deb10u2build0.18.04.1USN-5952-1

Fixed in:2.3.1-1ubuntu4.20.04.1USN-4685-1

openjpeg2Ubuntu

Fixed in:2.1.2-1.1+deb9u6build0.16.04.1USN-4880-1

Fixed in:2.1.2-1.1+deb9u6ubuntu0.1~esm3USN-5952-1

Fixed in:2.3.0-2+deb10u2build0.18.04.1USN-5952-1

Fixed in:2.3.1-1ubuntu4.20.04.1USN-4685-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.38%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Patch3

Third-Party Advisory3

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2024-26256	High	7.8	88%	-	Fix
CVE-2020-25687	Medium	5.9	87%	-	Fix
CVE-2009-3459	High	8.8	86%	KEV	Fix
CVE-2021-21017	High	8.8	86%	KEV	-
CVE-2020-25683	Medium	5.9	86%	-	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.