Is CVE-2021-30130 actively exploited?

CVE-2021-30130 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-30130?

CVE-2021-30130 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Patch guidance is available from phpseclib security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-30130.

3 products: phpseclib phpseclib, phpseclib phpseclib, debian debian linux.

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

Primary Vendor: PHPSECLIB
Published: 4/6/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

phpseclib : phpseclibphpseclib : phpseclibdebian : debian_linux

Cite this page

CVE-2021-30130. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2021-30130