CVE-2020-20446
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aacpsy.c, which allows a remote malicious user to cause a Denial of Service.
Overview
- CVE ID
- CVE-2020-20446
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-25T18:15:07
- Last Modified Date
- 2021-11-30T22:14:31
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://trac.ffmpeg.org/ticket/7995 | Exploit Issue Tracking Vendor Advisory |
| https://www.debian.org/security/2021/dsa-4990 | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4998 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-20446 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20446 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:43:59 | Added to TrackCVE | |||
| 2022-12-05 02:58:00 | 2021-05-25T18:15Z | 2021-05-25T18:15:07 | CVE Published Date | updated |
| 2022-12-05 02:58:00 | 2021-11-30T22:14:31 | CVE Modified Date | updated | |
| 2022-12-05 02:58:00 | Analyzed | Vulnerability Status | updated |