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Vulnerability details: VCID-vtu8-r2n5-aaae
Vulnerability ID VCID-vtu8-r2n5-aaae
Aliases CVE-2020-20450
Summary FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
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epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
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epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
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epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00229 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00229 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00229 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00229 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00229 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00463 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
epss 0.00471 https://api.first.org/data/v1/epss?cve=CVE-2020-20450
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-20450
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-20450
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-20450
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-20450
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20445
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20446
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20450
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20453
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21688
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21697
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22037
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22042
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38114
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38171
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38291
https://trac.ffmpeg.org/ticket/7993
https://www.debian.org/security/2021/dsa-4998
cpe:2.3:a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
CVE-2020-20450 https://nvd.nist.gov/vuln/detail/CVE-2020-20450
USN-5472-1 https://usn.ubuntu.com/5472-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-20450
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-20450
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-20450
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.34548
EPSS Score 0.00078
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.