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cve[email protected]CVE-2020-22020
HistoryMay 26, 2021 - 8:15 p.m.

CVE-2020-22020

2021-05-2620:15:08
CWE-120
[email protected]
web.nvd.nist.gov
133
6
cve-2020-22020
buffer overflow
ffmpeg 4.2
libavfilter
vf_fieldmatch
denial of service
nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

74.5%

JSON

Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service.

Affected configurations

NVD
Node
ffmpegffmpegMatch4.2-
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
CPENameOperatorVersion
ffmpeg:ffmpegffmpegeq4.2

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4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

74.5%

JSON
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