CVE-2026-31983 — MEDIUM (5.3)

Q: How severe is CVE-2026-31983?

CVE-2026-31983 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-31983?

Check the references section above for vendor advisories and patch information. Affected products include: Nozominetworks Cmc, Nozominetworks Guardian.

Vulnerability Description

A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Nozominetworks	Cmc	< 26.2.0
Nozominetworks	Guardian	< 26.2.0

Related Weaknesses (CWE)

CWE-306

References

https://security.nozominetworks.com/NN-2026:10-01MitigationVendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-827968.html

FAQ

What is CVE-2026-31983?

CVE-2026-31983 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the l...

How severe is CVE-2026-31983?

CVE-2026-31983 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-31983?

Check the references section above for vendor advisories and patch information. Affected products include: Nozominetworks Cmc, Nozominetworks Guardian.