How severe is CVE-2024-55581?

CVE-2024-55581 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-55581 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-55581?

CVE-2024-55581 primarily affects Adacore Ada Web Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-55581?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-55581 have an EU (EUVD) identifier?

Yes. CVE-2024-55581 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5281.

When was CVE-2024-55581 published?

CVE-2024-55581 was published on 2025-02-26 and last updated on 2026-06-17.

CVE-2024-55581

CVE-2024-55581 is a high-severity vulnerability in Adacore Ada Web Server with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-5281
Weakness: CWE-295
Affected product: Adacore Ada Web Server
Published: 2025-02-26
Last modified: 2026-06-17

Description

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).

Frequently asked questions

What is 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).
How severe is CVE-2024-55581?: CVE-2024-55581 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-55581 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-55581?: CVE-2024-55581 primarily affects Adacore Ada Web Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-55581?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-55581 have an EU (EUVD) identifier?: Yes. CVE-2024-55581 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5281.
When was CVE-2024-55581 published?: CVE-2024-55581 was published on 2025-02-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:adacore:ada_web_server:25.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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