CVE-2026-46560

7.5 HIGH 0.2% exploit odds Fix listed Crypto Library

What it is

Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the `RADIUS` authentication module opens an unconnected datagram socket and trusts the first UDP datagram received on the client source port. The receive path does not verify the source IP and port, match the response identifier to the outstanding request, or verify the RFC 2865 `Response Authenticator`; the RFC 2869 `Message-Authenticator` is neither sent nor required. Any non-Reject/non-Challenge packet is treated as success. On a deployment with a `RADIUS` module instance enabled on a login chain, an unauthenticated network attacker can race the real server on-path or spray forged `Access-Accept` packets off-path and obtain a session for any `RADIUS`-mapped username without knowing the shared secret. Unlike CVE-2024-3596, exploitation requires no MD5 chosen-prefix forgery because no response authenticator is checked. The resulting session carries the impersonated principal's privileges. This issue is fixed in version 16.1.1.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-14 20:42 UTC ReservedThe CVE id was reserved by its CNA
2026-10-30 19:18 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-11-05 03:17 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2026-10-30 19:18 UTC
Last modified: 2026-11-05 03:17 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-347
Record status: Awaiting Analysis

Attack profile CVSS 3.1 · 7.5

Attack vector: Adjacent network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record