What is the CVSS score of CVE-2025-46673?

CVE-2025-46673 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.3%.

Which versions of Cryptolib are affected by CVE-2025-46673?

Organizations using an operational state should be aware of moderate risk from CVE-2025-46673 rated CVSS 4.9. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-46673?

Yes, a public proof-of-concept exploit is available for CVE-2025-46673. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-46673?

Within 30 days: Identify affected systems running an operational state and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Cryptolib CVE-2025-46673

MEDIUM

Improper Control of Dynamically-Managed Code Resources (CWE-913)

2025-04-27 cve@mitre.org

Authentication Bypass Cryptolib

4.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:38 vuln.today

PoC Detected

May 29, 2025 - 14:02 vuln.today

Public exploit code

CVE Published

Apr 27, 2025 - 01:15 nvd

MEDIUM 4.9

DescriptionCVE.org

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).

AnalysisAI

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). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-913. 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). Affected products include: Nasa Cryptolib. Version information: before 1.3.2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.