Use of a Broken or Risky Cryptographic Algorithm in Gessler GmbH WEB-MASTER

published 2024-02-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-16816

cvss: 4.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits: 0; none known

Gessler GmbH WEB-MASTER user account is stored using a weak hashing algorithm. The attacker can restore the passwords by breaking the hashes stored on the device.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-032-01 updated 2025-08-07 cvss 4.4

Gessler GmbH WEB-MASTER

Gessler GmbH WEB-MASTER 7.9
affected: mitigation gessler.de

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-05-09)

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.4	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	4.4	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected products

Gessler GmbH WEB-MASTER

Classification

Weakness

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

References

cisa.gov /news-events/ics-advisories/icsa-24-032-01
government-resource, third-party-advisory, us-government-resource

Sources

CVE List CVE-2024-1040
NVD CVE-2024-1040

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary