How severe is CVE-2025-57784?

CVE-2025-57784 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-57784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57784?

CVE-2025-57784 affects Hiawatha-webserver Hiawatha. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57784?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-57784 have an EU (EUVD) identifier?

Yes. CVE-2025-57784 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206342.

When was CVE-2025-57784 published?

CVE-2025-57784 was published on 2026-01-26 and last updated on 2026-06-17.

CVE-2025-57784

CVE-2025-57784 is a low-severity vulnerability in Hiawatha-webserver Hiawatha with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206342
Affected product: Hiawatha-webserver Hiawatha
Published: 2026-01-26
Last modified: 2026-06-17

Description

Tomahawk auth timing attack due to usage of `strcmp` has been identified in Hiawatha webserver version 11.7 which allows a local attacker to access the management client.

Frequently asked questions

What is CVE-2025-57784?: Tomahawk auth timing attack due to usage of `strcmp` has been identified in Hiawatha webserver version 11.7 which allows a local attacker to access the management client.
How severe is CVE-2025-57784?: CVE-2025-57784 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-57784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57784?: CVE-2025-57784 affects Hiawatha-webserver Hiawatha. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57784?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-57784 have an EU (EUVD) identifier?: Yes. CVE-2025-57784 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206342.
When was CVE-2025-57784 published?: CVE-2025-57784 was published on 2026-01-26 and last updated on 2026-06-17.

References

https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/tomahawk.c?ref_type=heads#L429

Affected products (1)

cpe:2.3:a:hiawatha-webserver:hiawatha:11.7:*:*:*:*:*:*:*

More vulnerabilities in Hiawatha-webserver Hiawatha

CVE-2019-8358 — High (CVSS 8.1): In Hiawatha before 10.8.4, a remote attacker is able to do directory traversal if AllowDotFiles is enabled.
CVE-2025-57783 — Medium (CVSS 5.3): Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which…

All CVEs affecting Hiawatha-webserver Hiawatha →