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CVE-2020-36193

High CVSS 7.5 Known exploited

Published 2021-01-18 · last changed 2026-06-17 · added to CISA KEV 2022-08-25

This one is being exploited in the wild.

CISA added CVE-2020-36193 to the Known Exploited Vulnerabilities catalog on 2022-08-25. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2020-36193, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

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