What is CVE-2022-36943?

CVE-2022-36943 is a high-severity vulnerability in Ziparchive Ssziparchive, classified under Path Traversal. CVSS score: 8.1/10. Published 2023-01-03.

How severe is CVE-2022-36943?

High severity. CVSS v3 base score is 8.1 out of 10.

Path Traversal in Ziparchive Ssziparchive

CVE-2022-36943

SSZipArchive versions 2.5.3 and older contain an arbitrary file write vulnerability due to lack of sanitization on paths which are symlinks. SSZipArchive will overwrite files on the filesystem when opening a malicious ZIP containing a symlink as the first item.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-01-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.001

Affected products

Ziparchive Ssziparchive — versions unspecified
Ziparchive Project

Weakness classification (CWE)

References

github.com/metaredteam/external-disclosures/security/advisories/GHSA-vgvw-6xcf-… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-36943?: CVE-2022-36943 is a high-severity vulnerability in Ziparchive Ssziparchive, classified under Path Traversal. CVSS score: 8.1/10. Published 2023-01-03.
How severe is CVE-2022-36943?: High severity. CVSS v3 base score is 8.1 out of 10.