CVE-2025-57784: hiawatha-webserver hiawatha
CVSS: 4.0v3.1MediumAnalyzed
Published 26-01-2026Last modified 26-01-2026
Vulnerability summary
CVE-2025-57784 is a medium (CVSS 4.0) vulnerability in hiawatha-webserver hiawatha. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.2% of scored vulnerabilities.
CVSS score
4.0/10
010
Medium · v3.1 (CVE.org)EPSS score
0.16%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-01-2026PublishedVulnerability first disclosed.
- 26-01-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSources2 sources · 3.3–4.0
- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
+0.01 pp
From 0.16% on 20-09-2026
20-09-202620-10-2026
EPSS score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Hiawatha1 product
- hiawatha web server≥ 11.7, ≤ 8.5
Hiawatha-webserver1 product
- hiawatha11.7
2 vendors · 2 products