CVE-2025-61984

3.6 LOW 0.5% exploit odds No fix listed Other

What it is

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. Limited direct impact.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2025-10-06 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-11-10 13:17 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.5% in the next 30 days (EPSS).
Severity: 3.6 LOW (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2025-10-06 19:15 UTC
Last modified: 2026-11-10 13:17 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-159
Record status: Deferred

Attack profile CVSS 3.1 · 3.6

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: None

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2025-61984.md and follow it. Check whether this project is affected by CVE-2025-61984. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record