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NASA CryptoLib 1.5.0 - TC receive path accepts Security Associations from the wrong GVCID

CVSS 4.0 8.7 HIGHCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-79954

Published

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand (TC) receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the frame's GVCID.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-79954

Published

CryptoLib

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "Windows",
                        "Linux",
                        "MacOS"
                    ],
                    "product": "CryptoLib",
                    "vendor": "NASA",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.5.0"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 13 Nov 03:01 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current