Is CVE-2015-2323 being actively exploited?

CVE-2015-2323 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2015-2323?

CVE-2015-2323 has a CVSS 2.0 base score of 6.4 (MEDIUM).

CVE-2015-2323

MEDIUM · CVSS 6.4EPSS 1.5%EU EUVD

FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.

Key facts

CVSS score: 6.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-310
EPSS score: 1.5% (73th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2015-2416)
Published: August 11, 2015
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2015-2416 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios
fortinet / fortios

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

FortiOS 5.2 - Fortinet, Inc. - FIPS 140 2765 - historical

References

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

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