8.8

CVE-2023-25267: gfi kerio_connect Out-of-bounds Write

CVSS: 8.8v3.1HighModified
Published 15-03-2023Last modified 27-02-2025

Vulnerability summary

CVE-2023-25267 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in gfi kerio_connect. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 63.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.05%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 15-03-2023
    PublishedVulnerability first disclosed.
  2. 27-02-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in GFI Kerio Connect 9.4.1 patch 1 (fixed in 10.0.0). There is a stack-based Buffer Overflow in the webmail component's 2FASetup function via an authenticated request with a long primaryEMailAddress field to the webmail/api/jsonrpc URI.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.05%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.05% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.05%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    62Fa664Bacd19A85235Be19C6E4D7599

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Gfi1 product

1 vendor · 1 product

References

2 links