HOMEVULNERABILITIESCVE-2024-1039
CRITICAL

CVE-2024-1039

CWE-798Published: February 1, 2024· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Gessler GmbH WEB-MASTER has a restoration account that uses weak hard coded credentials and if exploited could allow an attacker control over the web management of the device.

NVD Source

Risk Analysis

Gessler GmbH WEB-MASTER uses weak, hard-coded credentials for a restoration account, which could grant an attacker full control over the device's web management interface. This is a critical vulnerability with a CVSS score of 9.8.

No public exploit is known, and the vulnerability is not in the KEV catalog. It is remotely exploitable.

Recommended Action

Update to the latest firmware version provided by Gessler GmbH to remediate the hard-coded credential issue.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2024-1039 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

gesslergmbh2 product(s)
web-master firmwareweb-master
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

https://www.cisa.gov/news-events/ics-advisories/icsa-24-032-01Third Party Advisory · US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-032-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2024-1039
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 1, 2024

Related CVEs (CWE-798)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2024-1039 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.