CVEvulnerability
CVE-2026-79954
8.7 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-09-18
- Last modified
- 2026-09-18
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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
- Weaknesses
- CWE-306
Description
NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand (TC) receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the frame's GVCID.
Related
Weakness · CWE (1)
- CWE-306 Missing Authentication for Critical Functionality weakness
References
- https://fluidattacks.com/advisories/linkin fluidattacks.com
- https://github.com/nasa/CryptoLib github.com