CVE-2015-2804

Exp

The management web interface in Alcatel-Lucent OmniSwitch 6450, 6250, 6850E, 9000E, 6400, and 6855 with firmware before 6.6.4.309.R01 and 6.6.5.x before 6.6.5.80.R02 generates weak session identifiers, which allows remote attackers to hijack arbitrary sessions via a brute force attack.

Published: 2015-06-16 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-2804 is rated Exploit Available (55.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.54%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-2804

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-2804

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-05-21 0.44% 0.54% +0.10%
2 2025-03-30 0.63% 0.44% -0.19%
3 2025-03-29 0.63%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2804

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-2804

Affected software / configurations for CVE-2015-2804

Vendor Product Version Raw CPE
alcatel-lucent omniswitch_firmware <= 6.4.5.r02 cpe:2.3:o:alcatel-lucent:omniswitch_firmware:*:*:*:*:*:*:*:*
alcatel-lucent omniswitch_firmware <= 6.4.6.r01 cpe:2.3:o:alcatel-lucent:omniswitch_firmware:*:*:*:*:*:*:*:*
alcatel-lucent omniswitch_firmware <= 6.6.4.r01 cpe:2.3:o:alcatel-lucent:omniswitch_firmware:*:*:*:*:*:*:*:*
alcatel-lucent omniswitch_firmware <= 6.6.5.r02 cpe:2.3:o:alcatel-lucent:omniswitch_firmware:*:*:*:*:*:*:*:*

References for CVE-2015-2804

cvelogic Threat Intelligence