RCE in Open-xchange Open-xchange_appsuite_backend
CVE-2023-26430
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 filte…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N.
Affected products
- Open-xchange Open-xchange_appsuite_backend — versions 7.10.6, 8.10.0
- Ox Software Gmbh App Suite — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@open-xchange.com (release-notes, Release Notes)
- security@open-xchange.com (vendor-advisory)
- security@open-xchange.com (Mailing List, Third Party Advisory)
- security@open-xchange.com (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-26430?
- CVE-2023-26430 is a low-severity vulnerability in Open-xchange Open-xchange_appsuite_backend, classified under Command Injection. CVSS score: 3.5/10. Published 2023-08-02.
- How severe is CVE-2023-26430?
- Low severity. CVSS v3 base score is 3.5 out of 10.
- Is CVE-2023-26430 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.