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Vulnerability record · CVE-2025-46673 · published 27 April 2025

CVE-2025-46673: Nasa cryptolib improper control of dynamically-managed code vulnerability

NNasa · Cryptolib

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).

9.9 CVSS 3.1 Critical EPSS 0.50% · top 59.7% CWE-913 · Improper control of dynamically-managed code
9.9CVSS 3.1 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nasa/CryptoLib/compare/v1.3.0...v1.3.1 Product
https://github.com/nasa/CryptoLib/compare/v1.3.1...v1.3.2 Product
https://github.com/nasa/CryptoLib/pull/286 Product
https://github.com/nasa/CryptoLib/pull/306 Product
https://securitybynature.fr/post/hacking-cryptolib/ ExploitPress/Media Coverage
https://securitybynature.fr/post/hacking-cryptolib/ ExploitPress/Media Coverage

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2025-46674Nasa cryptolib vulnerabilityNASA CryptoLib before 1.3.2 uses Extended Procedures that are a Work in Progress (not intended for use during flight), potentially leading to a keyst…EPSS 0.60%9.3CVE-2025-30356Nasa cryptolib out-of-bounds write vulnerabilityCryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communication…EPSS 0.65%9.1CVE-2025-30216Nasa cryptolib heap-based buffer overflow vulnerabilityCryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communication…EPSS 2.7%8.9CVE-2025-29911Nasa cryptolib heap-based buffer overflow vulnerabilityCryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communication…EPSS 0.74%8.9CVE-2025-29912Nasa cryptolib heap-based buffer overflow vulnerabilityCryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communication…EPSS 1.1%8.9CVE-2025-29913Nasa cryptolib out-of-bounds read vulnerabilityCryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communication…EPSS 0.72%8.9CVE-2025-29909Nasa cryptolib out-of-bounds write vulnerabilityCryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communication…EPSS 1.1%8.8CVE-2025-64096Nasa cryptolib stack-based buffer overflow vulnerabilityCryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communication…EPSS 0.48%

Source: NIST National Vulnerability Database (record CVE-2025-46673), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.