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.
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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| 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:*:*:*:*:*:*:*:* |