CVE-2026-101035

5.5 MEDIUM 0.4% exploit odds Fix listed Other Library

What it is

A flaw has been found in aligungr UERANSIM up to 3.3.0. This affects the function DecodePlainMmMessage in the library src/lib/nas/encode.cpp of the component nr-gnb. Executing a manipulation can lead to uncaught exception. The attack can be launched remotely. The exploit has been published and may be used. This patch is called 1ae9bf2062b57595dbcbc4bc1d0a0ccf06815bac. It is best practice to apply a patch to resolve this issue.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-09-28 10:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-28 15:16 UTC Last updatedMost recent change to the record

Details

Published: 2026-09-28 10:16 UTC
Last modified: 2026-09-28 15:16 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-248
Record status: Deferred

Attack profile CVSS 4.0 · 5.5

Attack vector: Network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: None
Integrity: None
Availability: Low

Raw vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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Fix and advisories

https://github.com/aligungr/UERANSIM/commit/1ae9bf2062b57595dbcbc4bc1d0a0ccf06815bac

References

NVD record · CVE.org record