Description

NASA CryptoLib before 1.3.2 does not check whether the SA is in an operational state before use, possibly leading to a bypass of the Space Data Link Security protocol (SDLS).

Classification

CVE ID: CVE-2025-46673

CVSS Base Severity: MEDIUM

CVSS Base Score: 4.9

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

Affected Products

Vendor: NASA

Product: CryptoLib

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 8.58% (scored less or equal to compared to others)

EPSS Date: 2025-05-28 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: poc

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2025-46673
https://securitybynature.fr/post/hacking-cryptolib/
https://github.com/nasa/CryptoLib/compare/v1.3.1...v1.3.2
https://github.com/nasa/CryptoLib/pull/286
https://github.com/nasa/CryptoLib/pull/306
https://github.com/nasa/CryptoLib/compare/v1.3.0...v1.3.1

Timeline