What is the CVSS score of CVE-2025-57785?

CVE-2025-57785 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of Hiawatha Webserver are affected by CVE-2025-57785?

Organizations using Hiawatha webserver should be aware of notable risk from CVE-2025-57785 rated CVSS 6.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-57785?

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 Webserver CVE-2025-57785

MEDIUM

Double Free (CWE-415)

2026-01-26 cret@cert.org

RCE Hiawatha Webserver

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

CVE Published

Jan 26, 2026 - 18:16 nvd

MEDIUM 6.5

DescriptionCVE.org

A Double Free in XSLT show_index has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution.

AnalysisAI

Hiawatha Webserver versions up to 11.7 contains a vulnerability that allows attackers to arbitrary code execution (CVSS 6.5).

Technical ContextAI

affects Hiawatha Webserver. A Double Free in XSLT show_index has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution.