openssl_encrypt versions before 1.4.0 use an in-memory rate limiter for TOTP brute-force protection that is not shared across workers and is lost on server restart. Attackers can distribute authentication attempts across multiple server instances or retry immediately after a restart to bypass rate limiting protections.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-h45m-mgcp-q388 Mitigation, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.3 · jahlivesNVD modified 2026-10-08 16:17
Affected (CPE criteria) 1
cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:python:*:*
References 2
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-h45m-mgcp-q388 Mitigation, Vendor Advisory
- https://www.vulncheck.com/advisories/openssl-encrypt-before-totp-rate-limiter-bypass Third Party Advisory