CVE-2020-28949

7.8 HIGH CISA KEV - Actively Exploited
Published: November 19, 2020 Modified: November 07, 2025

Description

Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html
Source: cve@mitre.org
Exploit Third Party Advisory VDB Entry
https://github.com/pear/Archive_Tar/issues/33
Source: cve@mitre.org
Exploit Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html
Source: cve@mitre.org
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202101-23
Source: cve@mitre.org
Third Party Advisory
https://www.debian.org/security/2020/dsa-4817
Source: cve@mitre.org
Mailing List Third Party Advisory
https://www.drupal.org/sa-core-2020-013
Source: cve@mitre.org
Third Party Advisory
http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
https://github.com/pear/Archive_Tar/issues/33
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202101-23
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2020/dsa-4817
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://www.drupal.org/sa-core-2020-013
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-28949
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

25 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
93.0%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-09-15

Affected Vendors

debian php drupal fedoraproject