High 7.5Known exploited (CISA KEV)Published Jan 18, 2021

CVE-2020-36193Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.

Updated under an hour ago (Oct 28, 2026, 12:50 AM ET)

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It affects php archive_tar and 3 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Aug 25, 2022; federal agencies had to remediate by Sep 15, 2022. Treat that date as your deadline.

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Every CVE for php archive_tar

Exploited in the last 30 days

Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-59
Known exploited: Added to CISA KEV Aug 25, 2022; federal remediation due Sep 15, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 70.59% (percentile 99)
Assigned by: mitre
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

php archive_tar php:archive_tar	through 1.4.11	NVD
fedoraproject fedora fedoraproject:fedora	32; 33; 34; 35	NVD
debian debian_linux debian:debian_linux	9.0; 10.0	NVD
drupal drupal drupal:drupal	from 7.0 before 7.78; from 8.9.0 before 8.9.13; from 9.0.0 before 9.0.11; from 9.1.0 before 9.1.3	NVD

References

References

https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916	x-refsource-misc, patch
https://www.drupal.org/sa-core-2021-001	x-refsource-confirm, third-party-advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html	mailing-list, x-refsource-mlist, third-party-advisory
https://security.gentoo.org/glsa/202101-23	vendor-advisory, x-refsource-gentoo, third-party-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/	vendor-advisory, x-refsource-fedora, broken-link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/	vendor-advisory, x-refsource-fedora, broken-link
https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html	mailing-list, x-refsource-mlist, third-party-advisory
https://www.debian.org/security/2021/dsa-4894	vendor-advisory, x-refsource-debian, third-party-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/	vendor-advisory, x-refsource-fedora, broken-link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/	vendor-advisory, x-refsource-fedora, broken-link
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.