Is CVE-2023-27560 actively exploited?

CVE-2023-27560 has no public evidence of in-the-wild exploitation as of 2025-03-06.

What is the CVSS score for CVE-2023-27560?

CVE-2023-27560 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:N/A:H.

Patch guidance is available from phpseclib security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-27560.

1 product: phpseclib phpseclib.

Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop with composite primefields.

Primary Vendor: PHPSECLIB
Published: 3/3/2023
Last Modified: 3/6/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

phpseclib : phpseclib

Cite this page

CVE-2023-27560. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-27560