In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel attacks, because it stops the comparison when the first difference is spotted in the two signatures. (The fix uses gnutls_memcmp, which has constant-time execution.)
Conclusion & alert: CVE-2024-25714 is rated Moderate Risk (52.4/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.16%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-28 | 0.14% | 0.16% | +0.02% |
| 2 | 2025-12-27 | 0.16% | 0.14% | -0.02% |
| 3 | 2025-11-21 | — | 0.16% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2024-25714 not yet assigned priority: Debian including 1 source packages (rhonabwy), 3 status rows across 3 suites (bookworm, bullseye, trixie): open 2, resolved 1. | https://security-tracker.debian.org/tracker/CVE-2024-25714 |
ubuntu
|
medium | CVE-2024-25714 medium priority: Ubuntu including 1 source packages (rhonabwy), 11 status rows across 11 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 4, needs-triage 4, ignored 3. | https://ubuntu.com/security/CVE-2024-25714 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| rhonabwy_project | rhonabwy | <= 1.1.3 | cpe:2.3:a:rhonabwy_project:rhonabwy:*:*:*:*:*:*:*:* |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| debian | debian_linux | 12.0 | cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* |