Vulnerability in Adacore Ada Web Server

CVE-2024-55581

When AdaCore Ada Web Server 25.0.0 is linked with GnuTLS, the default behaviour of AWS.Client is vulnerable to a man-in-the-middle attack because of lack of verification of an HTTPS server's certificate (unless the using program specifies a TLS configuration).

Vulnerability class: Improper Certificate Validation

EPSS: 0.003 (20.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-55581?
CVE-2024-55581 is a high-severity vulnerability in Adacore Ada Web Server, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2025-02-26.
How severe is CVE-2024-55581?
High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2024-55581 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.