CVE-2023-25267
CVE-2023-25267 is a high-severity vulnerability in Gfi Kerio Connect with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Gfi Kerio Connect
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-25267?
- 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.
- How severe is CVE-2023-25267?
- CVE-2023-25267 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-25267 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-25267?
- CVE-2023-25267 affects Gfi Kerio Connect. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-25267?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-25267 published?
- CVE-2023-25267 was published on 2023-03-15 and last updated on 2026-06-17.
References
- https://gist.github.com/Frycos/62fa664bacd19a85235be19c6e4d7599
- https://support.kerioconnect.gfi.com/hc/en-us/articles/9044634878226-Kerio-Connect-10-0-0-Release-Notes
Affected products (1)
- cpe:2.3:a:gfi:kerio_connect:9.4.1:patch1:*:*:*:*:*:*
More vulnerabilities in Gfi Kerio Connect
- CVE-2017-7440 — Medium (CVSS 6.5): Kerio Connect 8.0.0 through 9.2.2, and Kerio Connect Client desktop application for Windows and Mac 9.2.0 through…
- CVE-2025-2977 — Low (CVSS 3.5): A vulnerability was found in GFI KerioConnect 10.0.6. It has been declared as problematic. Affected by this…
- CVE-2025-2976 — Low (CVSS 3.5): A vulnerability was found in GFI KerioConnect 10.0.6. It has been classified as problematic. Affected is an unknown…
- CVE-2025-2975 — Low (CVSS 3.5): A vulnerability was found in GFI KerioConnect 10.0.6 and classified as problematic. This issue affects some unknown…
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