Executive Summary

Informations
Name CVE-2020-20902 First vendor Publication 2021-09-20
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20902

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=0c61661a2cbe1b8b284c...
Source Url
MISC https://trac.ffmpeg.org/ticket/8176

Alert History

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0
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Date Informations
2023-11-07 21:33:58
  • Multiple Updates
2021-10-02 05:22:56
  • Multiple Updates
2021-09-20 21:23:14
  • First insertion