CVE-2025-46673
NASA CryptoLib before 1.3.2 does not check whether the SA is in an operational state before use,...
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).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
4.9
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).
- Record
CVE-2025-46673- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-913
- Updated
- 2026-11-02
EUVDEUVD-2025-12473
4.9
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).
- Record
EUVD-2025-12473- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jvpp-7888-2hgr
4.9
NASA CryptoLib before 1.3.2 does not check whether the SA is in an operational state before use,...
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).
- Record
GHSA-jvpp-7888-2hgr- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-913
- Updated
- 2026-11-02
NVD
4.9
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).
- Record
CVE-2025-46673- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-913
- Updated
- 2026-11-02
OSV
4.9
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).
- Record
CVE-2025-46673- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-913
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | spookier/NASA-CryptoLib-SDLS-Bypass | 2026-01-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | PoC in GitHub | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-46673 is a medium vulnerability (CVSS 4.9) in Nasa Cryptolib, published April 27, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. No source names a fixed version.
References
securitybynature.fr/post/hacking-cryptolib
github.com/nasa/CryptoLib/compare/v1.3.1...v1.3.2
github.com/nasa/CryptoLib/pull/286
github.com/nasa/CryptoLib/pull/306
github.com/nasa/CryptoLib/compare/v1.3.0...v1.3.1
nvd.nist.gov/vuln/detail/CVE-2025-46673
github.com/advisories/GHSA-jvpp-7888-2hgr
github.com/CVEProject/cvelistV5/tree/main/cves/2025/46xxx/CVE-2025-46673.json