Search for vulnerabilities
Vulnerability details: VCID-t2ed-txsy-aaam
Vulnerability ID VCID-t2ed-txsy-aaam
Aliases CVE-2020-20902
Summary A CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.00169 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00200 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00200 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00200 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00394 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
epss 0.00508 https://api.first.org/data/v1/epss?cve=CVE-2020-20902
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13390
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17539
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17542
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12284
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13904
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-20902
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-20902
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-20902
Reference id Reference type URL
http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=0c61661a2cbe1b8b284c80ada1c2fdddf4992cad
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=0c61661a2cbe1b8b284c80ada1c2fdddf4992cad
https://api.first.org/data/v1/epss?cve=CVE-2020-20902
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13390
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17539
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17542
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12284
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13904
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20448
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20902
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://trac.ffmpeg.org/ticket/8176
cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:*
CVE-2020-20902 https://nvd.nist.gov/vuln/detail/CVE-2020-20902
USN-USN-5167-1 https://usn.ubuntu.com/USN-5167-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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: AV:N/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-20902
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:R/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-20902
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:R/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-20902
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 0.54456
EPSS Score 0.00169
Published At Jan. 16, 2025, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.