CVE-2021-30130

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CVSS 3.1

7.5 high

EPSS

1%p62

Published

Apr 6, 2021 (Apr 6, 2021)

Modified

Jun 17, 2026

Description

phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.

Vendors: phpseclib debian
Products: phpseclib, debian linux
Weakness: CWE-347
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.1%)

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