CVE-2026-101035
aligungr UERANSIM nr-gnb encode.cpp DecodePlainMmMessage uncaught exception
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 28, 2026
- Updated
- Sep 28, 2026
- Reserved
- Sep 27, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-248 Uncaught Exception
Affected Products
| Product | Versions |
|---|---|
UERANSIMaligungr |
|
References
- VDB-410903 | aligungr UERANSIM nr-gnb encode.cpp DecodePlainMmMessage uncaught exceptionvdb-entrytechnical-description
- VDB-410903 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-101035 | CVE Analysis and Reportthird-party-advisory
- Submit #926089 | UERAMSIM UERANSIM nr-gnb <=3.3.0 CWE-248: Uncaught Exceptionthird-party-advisory
- https://gist.github.com/centauruszzz/f729edf89aa32ae3cfe4865c71ad1102exploit
- https://github.com/aligungr/UERANSIM/commit/1ae9bf2062b57595dbcbc4bc1d0a0ccf06815bacpatch
- https://github.com/aligungr/UERANSIM/product
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