Is CVE-2020-22023 in the CISA KEV catalog?

No. CVE-2020-22023 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-22023?

CVE-2020-22023 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-22023?

CVE-2020-22023 has an EPSS score of 1.45% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-22023?

Upgrade ffmpeg on debian 11 to 7:4.3-2 or later. Fixes are available for 25 affected products.

CVE & CISA-KEV Catalog

CVE-2020-22023

HIGHEPSS 70th pctl

8.8

CVSS v3

NVD

Description

A heap-based Buffer Overflow vulnerabililty exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_bitplanenoise.c, which might lead to memory corruption and other potential consequences.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

ffmpegDebian

Fixed in:7:4.3-2CVE-2020-22023

ffmpegUbuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libavcodec-extra57Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libavcodec-extra58Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libavcodec57Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libavcodec58Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libavdevice57Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libavdevice58Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libavfilter-extra6Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libavfilter-extra7Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libavfilter6Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libavfilter7Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libavformat-extra58Ubuntu

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libavformat57Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libavformat58Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libavresample3Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libavresample4Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

libavutil55Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libavutil56Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libpostproc54Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libpostproc55Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libswresample2Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libswresample3Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

libswscale4Ubuntu

Fixed in:7:3.4.11-0ubuntu0.1USN-5472-1

libswscale5Ubuntu

Fixed in:7:4.2.7-0ubuntu0.1USN-5472-1

Fixed in:7:4.4.2-0ubuntu0.22.04.1USN-5472-1

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.45%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Vendor Advisory1

trac.ffmpeg.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.