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Vulnerabilities

Vulnerability · CVE-2025-46673

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).

Published Apr 27, 2025 · catalog updated Apr 29, 2025 · NASA CryptoLib

Severity
Medium4.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.5%
Remediation
Version ranges on file
Affected products
vendor NASA CryptoLib 0 <1.3.2

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).

Technical analysis

Mechanism and impact are interpreted from ingested advisories — not independent exploit research.

  • CWE classification

    No CWE identifiers stored yet.

  • Prerequisites and impact

    Follow the original vendor advisory for access prerequisites and impact. This catalog does not invent exploit conditions.

How to fix CVE-2025-46673

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-46673 is a medium public vulnerability record for NASA CryptoLib. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether NASA CryptoLib is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: NASA CryptoLib 0 <1.3.2 (0 <1.3.2). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 4.9 (technical impact); EPSS 0.5% (30-day exploitation probability). It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: epss, euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Related intelligence

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 27, 2025 · EUVD

    Detected

    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).

  2. Apr 29, 2025 · EUVD

    Updated

    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 versions

Enter an installed version to get a verified affected / not-affected result against the ranges below.

  • vendor NASA CryptoLib 0 <1.3.20 <1.3.2

Sources

  • FIRST EPSSExploitation probabilityCVE-2025-46673

    30-day exploitation probability 0.5%

    first.org
  • EUVDVulnerability recordEUVD-2025-12473

    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).

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.