Vulnerability Details : CVE-2015-2323
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.
Products affected by CVE-2015-2323
- cpe:2.3:o:fortinet:fortios:5.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.5:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.7:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.6:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.4:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.11:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.8:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.9:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:5.0.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-2323
0.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-2323
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:P/A:N |
10.0
|
4.9
|
NIST |
CWE ids for CVE-2015-2323
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-2323
-
http://fortiguard.com/advisory/2015-07-24-weak-ciphers-suites-are-presented-towards-fortiguard-servers
FortiGuard
-
http://www.fortiguard.com/advisory/FG-IR-15-021/
FortiGuardVendor Advisory
-
http://www.securitytracker.com/id/1033092
Fortinet FortiGate/FortiOS Weak Encryption Lets Remote Users Decrypt and Modify Data - SecurityTracker
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