Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-22439

14
FAUCET Score

CVE-2023-22439 describes a Denial of Service vulnerability in the diagnostic web interface of Gallagher Controller 6000 and 7000 devices, stemming from improper input validation of large HTTP requests. This affects various versions of the Controller 6000 and 7000 firmware, including 8.90, 8.80, 8.70, 8.60, and all prior 8.50 versions. Rated as MEDIUM severity (CVSS 4.3), the vulnerability can be triggered remotely with low attack complexity, requiring no privileges, but does necessitate user interaction to achieve a low impact on availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.50CPE matchmatch criteria
cpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*
>= 8.60, < 8.60.231116aCPE matchmatch criteria
cpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*
>= 8.70, < 8.70.231204aCPE matchmatch criteria
cpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*
>= 8.80, < 8.80.231204aCPE matchmatch criteria
cpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*
>= 8.90, < 8.90.231204aCPE matchmatch criteria
cpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 43rd percentile among its peer group of 26,221 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

security.gallagher.com / Security-Advisories/CVE-2023-22439
Vendor Advisory