What is the CVSS score of CVE-2025-57783?

CVE-2025-57783 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Hiawatha are affected by CVE-2025-57783?

Organizations using Hiawatha webserver should be aware of moderate risk from CVE-2025-57783 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-57783?

Within 30 days: Identify affected systems running Hiawatha webserver and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Hiawatha CVE-2025-57783

MEDIUM

2026-01-26 cret@cert.org

Information Disclosure Hiawatha

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

CVE Published

Jan 26, 2026 - 18:16 nvd

MEDIUM 5.3

DescriptionCVE.org

Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to access restricted resources managed by Hiawatha webserver.

AnalysisAI

Hiawatha versions up to 11.7 contains a vulnerability that allows attackers to request smuggling has been identified in Hiawatha webserver version 11 (CVSS 5.3).

Technical ContextAI

affects Hiawatha. Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to access restricted resources managed by Hiawatha webserver.