Vulnerability Details : CVE-2023-26431

IPv4-mapped IPv6 addresses did not get recognized as "local" by the code and a connection attempt is made. Attackers with access to user accounts could use this to bypass existing deny-list functionality and trigger requests to restricted network infrastructure to gain insight about topology and running services. We now respect possible IPV4-mapped IPv6 addresses when checking if contained in a deny-list. No publicly available exploits are known.
Published 2023-06-20 08:15:09
Updated 2024-01-12 08:15:40
Source Open-Xchange
View at NVD,   CVE.org
Vulnerability category: Server-side request forgery (SSRF)

Products affected by CVE-2023-26431

Exploit prediction scoring system (EPSS) score for CVE-2023-26431

EPSS FAQ
0.17%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-26431

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.8
1.4
 NIST
5.0
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
3.1
1.4
 Open-Xchange

CWE ids for CVE-2023-26431

  • The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@open-xchange.com (Secondary)

References for CVE-2023-26431

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