How severe is CVE-2020-36193?

CVE-2020-36193 has a CVSS 3.1 base score of 7.5 (HIGH). EPSS estimates a 70.6% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2020-36193: PEAR Archive_Tar Improper Link Resolution

CISA Known Exploited Vulnerabilities

PEAR Archive_Tar Improper Link Resolution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-08-25

Remediation due

2022-09-15

Required action
Apply updates per vendor instructions.

CISA notes
https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916, https://www.drupal.org/sa-core-2021-001, https://access.redhat.com/security/cve/cve-2020-36193; https://nvd.nist.gov/vuln/detail/CVE-2020-36193

Description

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.

Severity

CVSS 3.1 · CISA7.5 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Exploitation Context

as of October 13, 2026

All KEV statistics→

CISA added CVE-2020-36193 to the KEV catalog 584 days after its CVE record was published.
It is one of 2 PEAR entries in the CISA KEV catalog, and one of 2 added in 2022.
Its current EPSS score (70.6%) is higher than that of 58% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

10 Links

Vendor advisories

Mailing lists

Other references

Record Details

Published

2021-01-18

Last updated

2025-10-21

Assigner (CNA)

mitre

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.