Is CVE-2013-4790 being actively exploited?

CVE-2013-4790 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4790?

CVE-2013-4790 has a CVSS 2.0 base score of 3.5 (LOW).

CVE-2013-4790

LOW · CVSS 3.5EPSS 0.9%EU EUVD

Open-Xchange AppSuite before 7.0.2 rev14, 7.2.0 before rev11, 7.2.1 before rev10, and 7.2.2 before rev9 relies on user-supplied data to predict the IMAP server hostname for an external domain name, which allows remote authenticated users to discover e-mail credentials of other users in opportunistic circumstances via a manual-mode association of a personal e-mail address with the hostname of a crafted IMAP server.

Key facts

CVSS score: 3.5 (v2.0)
Severity: LOW
CVSS vector: AV:N/AC:M/Au:S/C:P/I:N/A:N
Weakness (CWE): CWE-255
EPSS score: 0.9% (61th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4636)
Published: September 5, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4636 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

open-xchange / open-xchange appsuite
open-xchange / open-xchange appsuite
open-xchange / open-xchange appsuite
open-xchange / open-xchange appsuite

References

http://archives.neohapsis.com/archives/bugtraq/2013-07/0204.html(Exploit)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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