CVE-2023-26430
low-risk
Published 2023-08-02
Attackers with access to user accounts can inject arbitrary control characters to SIEVE mail-filter rules. This could be abused to access SIEVE extension that are not allowed by App Suite or to inject rules which would break per-user filter processing, requiring manual cleanup of such rules. We have added sanitization to all mail-filter APIs to avoid forwardning control characters to subsystems. No publicly available exploits are known.
Do I need to act?
-
0.06% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.5/10
Low
NETWORK
/ HIGH complexity
Affected Products (2)
Open-Xchange Appsuite Backend
Open-Xchange Appsuite Backend
Affected Vendors
References (8)
Third Party Advisory
http://packetstormsecurity.com/files/173943/OX-App-Suite-SSRF-SQL-Injection-Cros...
Mailing List
http://seclists.org/fulldisclosure/2023/Aug/8
Third Party Advisory
http://packetstormsecurity.com/files/173943/OX-App-Suite-SSRF-SQL-Injection-Cros...
Mailing List
http://seclists.org/fulldisclosure/2023/Aug/8
19
/ 100
low-risk
Severity
12/34 · Low
Exploitability
0/34 · Minimal
Exposure
7/34 · Low