CVE-2021-32921
MEDIUM5.9EPSS 4.6%Published: 5/13/2021Modified: 4/28/2026
Also known as:DEBIAN-CVE-2021-32921
Description
An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.
Affected packages (1)
- Debian/prosodyfrom 0, < 0.11.9-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |