Vulnerability Monitor

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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.


Security Impact Summary

CVE-2015-2323 is a security vulnerability that . Impacting 1 product from fortinet organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.


Published

2015-08-11T14:59:01.807

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-310

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System fortinet fortios 5.0.0 Yes
Operating System fortinet fortios 5.0.1 Yes
Operating System fortinet fortios 5.0.2 Yes
Operating System fortinet fortios 5.0.3 Yes
Operating System fortinet fortios 5.0.4 Yes
Operating System fortinet fortios 5.0.5 Yes
Operating System fortinet fortios 5.0.6 Yes
Operating System fortinet fortios 5.0.7 Yes
Operating System fortinet fortios 5.0.8 Yes
Operating System fortinet fortios 5.0.9 Yes
Operating System fortinet fortios 5.0.10 Yes
Operating System fortinet fortios 5.0.11 Yes
Operating System fortinet fortios 5.2.0 Yes
Operating System fortinet fortios 5.2.1 Yes
Operating System fortinet fortios 5.2.2 Yes
Operating System fortinet fortios 5.2.3 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For fortinet's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.