Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.
Conclusion & alert: CVE-2005-4258 is rated High Exploit Risk (75.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.05%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.34% over the last day, indicating growing attacker interest. 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 ↗ |
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 | 2026-06-15 | 0.71% | 2.05% | +1.34% |
| 2 | 2025-06-28 | 1.14% | 0.71% | -0.43% |
| 3 | 2025-04-27 | — | 1.14% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | catalyst | 4.5_\(10\) | cpe:2.3:h:cisco:catalyst:4.5_\(10\):*:*:*:*:*:*:* |
| cisco | catalyst | sup2plus | cpe:2.3:h:cisco:catalyst:sup2plus:*:*:*:*:*:*:* |
| cisco | catalyst | sup3 | cpe:2.3:h:cisco:catalyst:sup3:*:*:*:*:*:*:* |
| cisco | catalyst_1200_series | — | cpe:2.3:h:cisco:catalyst_1200_series:*:*:*:*:*:*:*:* |
| cisco | catalyst_1900_series | — | cpe:2.3:h:cisco:catalyst_1900_series:*:*:*:*:*:*:*:* |
| cisco | catalyst_1900_series | 9.0_0.07 | cpe:2.3:h:cisco:catalyst_1900_series:9.0_0.07:*:*:*:*:*:*:* |
| cisco | catalyst_2800_series | — | cpe:2.3:h:cisco:catalyst_2800_series:*:*:*:*:*:*:*:* |
| cisco | catalyst_2820 | — | cpe:2.3:h:cisco:catalyst_2820:*:*:*:*:*:*:*:* |
| cisco | catalyst_2820 | 9.0_0.07 | cpe:2.3:h:cisco:catalyst_2820:9.0_0.07:*:*:*:*:*:*:* |
| cisco | catalyst_2900 | — | cpe:2.3:h:cisco:catalyst_2900:*:*:*:*:*:*:*:* |
| cisco | catalyst_2900 | lre_xl | cpe:2.3:h:cisco:catalyst_2900:lre_xl:*:*:*:*:*:*:* |
| cisco | catalyst_2900 | xl | cpe:2.3:h:cisco:catalyst_2900:xl:*:*:*:*:*:*:* |
| cisco | catalyst_2901 | — | cpe:2.3:h:cisco:catalyst_2901:*:*:*:*:*:*:*:* |
| cisco | catalyst_2902 | — | cpe:2.3:h:cisco:catalyst_2902:*:*:*:*:*:*:*:* |
| cisco | catalyst_2920 | — | cpe:2.3:h:cisco:catalyst_2920:*:*:*:*:*:*:*:* |
| cisco | catalyst_2926 | — | cpe:2.3:h:cisco:catalyst_2926:*:*:*:*:*:*:*:* |
| cisco | catalyst_2926f | — | cpe:2.3:h:cisco:catalyst_2926f:*:*:*:*:*:*:*:* |
| cisco | catalyst_2926gl | — | cpe:2.3:h:cisco:catalyst_2926gl:*:*:*:*:*:*:*:* |
| cisco | catalyst_2926gs | — | cpe:2.3:h:cisco:catalyst_2926gs:*:*:*:*:*:*:*:* |
| cisco | catalyst_2926t | — | cpe:2.3:h:cisco:catalyst_2926t:*:*:*:*:*:*:*:* |
| cisco | catalyst_2940 | — | cpe:2.3:h:cisco:catalyst_2940:*:*:*:*:*:*:*:* |
| cisco | catalyst_2948 | — | cpe:2.3:h:cisco:catalyst_2948:*:*:*:*:*:*:*:* |
| cisco | catalyst_2948-ge-tx | — | cpe:2.3:h:cisco:catalyst_2948-ge-tx:*:*:*:*:*:*:*:* |
| cisco | catalyst_2948g-l3 | — | cpe:2.3:h:cisco:catalyst_2948g-l3:*:*:*:*:*:*:*:* |
| cisco | catalyst_2950 | — | cpe:2.3:h:cisco:catalyst_2950:*:*:*:*:*:*:*:* |
| cisco | catalyst_2950_lre | — | cpe:2.3:h:cisco:catalyst_2950_lre:*:*:*:*:*:*:*:* |
| cisco | catalyst_2955 | — | cpe:2.3:h:cisco:catalyst_2955:*:*:*:*:*:*:*:* |
| cisco | catalyst_2970 | — | cpe:2.3:h:cisco:catalyst_2970:*:*:*:*:*:*:*:* |
| cisco | catalyst_2980g | — | cpe:2.3:h:cisco:catalyst_2980g:*:*:*:*:*:*:*:* |
| cisco | catalyst_2980g-a | — | cpe:2.3:h:cisco:catalyst_2980g-a:*:*:*:*:*:*:*:* |
| cisco | catalyst_3000 | — | cpe:2.3:h:cisco:catalyst_3000:*:*:*:*:*:*:*:* |
| cisco | catalyst_3200 | — | cpe:2.3:h:cisco:catalyst_3200:*:*:*:*:*:*:*:* |
| cisco | catalyst_3500_xl | — | cpe:2.3:h:cisco:catalyst_3500_xl:*:*:*:*:*:*:*:* |
| cisco | catalyst_3550 | — | cpe:2.3:h:cisco:catalyst_3550:*:*:*:*:*:*:*:* |
| cisco | catalyst_3560 | — | cpe:2.3:h:cisco:catalyst_3560:*:*:*:*:*:*:*:* |
| cisco | catalyst_3750 | — | cpe:2.3:h:cisco:catalyst_3750:*:*:*:*:*:*:*:* |
| cisco | catalyst_3750_metro | — | cpe:2.3:h:cisco:catalyst_3750_metro:*:*:*:*:*:*:*:* |
| cisco | catalyst_3900 | — | cpe:2.3:h:cisco:catalyst_3900:*:*:*:*:*:*:*:* |
| cisco | catalyst_4000 | — | cpe:2.3:h:cisco:catalyst_4000:*:*:*:*:*:*:*:* |
| cisco | catalyst_4000 | — | cpe:2.3:h:cisco:catalyst_4000:*:*:sup2plus:*:*:*:*:* |
| cisco | catalyst_4000 | — | cpe:2.3:h:cisco:catalyst_4000:*:*:sup3:*:*:*:*:* |
| cisco | catalyst_4000 | — | cpe:2.3:h:cisco:catalyst_4000:*:*:sup4:*:*:*:*:* |
| cisco | catalyst_4000 | — | cpe:2.3:h:cisco:catalyst_4000:*:*:sup5:*:*:*:*:* |
| cisco | catalyst_4200 | — | cpe:2.3:h:cisco:catalyst_4200:*:*:*:*:*:*:*:* |
| cisco | catalyst_4224 | — | cpe:2.3:h:cisco:catalyst_4224:*:*:*:*:*:*:*:* |
| cisco | catalyst_4232 | — | cpe:2.3:h:cisco:catalyst_4232:*:*:*:*:*:*:*:* |
| cisco | catalyst_4232-13 | — | cpe:2.3:h:cisco:catalyst_4232-13:*:*:*:*:*:*:*:* |
| cisco | catalyst_4500 | — | cpe:2.3:h:cisco:catalyst_4500:*:*:*:*:*:*:*:* |
| cisco | catalyst_4500 | — | cpe:2.3:h:cisco:catalyst_4500:*:*:sup2plus_ts:*:*:*:*:* |
| cisco | catalyst_4503 | — | cpe:2.3:h:cisco:catalyst_4503:*:*:*:*:*:*:*:* |
| cisco | catalyst_4506 | — | cpe:2.3:h:cisco:catalyst_4506:*:*:*:*:*:*:*:* |
| cisco | catalyst_4507r | — | cpe:2.3:h:cisco:catalyst_4507r:*:*:*:*:*:*:*:* |
| cisco | catalyst_4510r | — | cpe:2.3:h:cisco:catalyst_4510r:*:*:*:*:*:*:*:* |
| cisco | catalyst_4840g | — | cpe:2.3:h:cisco:catalyst_4840g:*:*:*:*:*:*:*:* |
| cisco | catalyst_4908g-l3 | — | cpe:2.3:h:cisco:catalyst_4908g-l3:*:*:*:*:*:*:*:* |
| cisco | catalyst_4912g | — | cpe:2.3:h:cisco:catalyst_4912g:*:*:*:*:*:*:*:* |
| cisco | catalyst_4948 | — | cpe:2.3:h:cisco:catalyst_4948:*:*:*:*:*:*:*:* |
| cisco | catalyst_5000 | — | cpe:2.3:h:cisco:catalyst_5000:*:*:*:*:*:*:*:* |
| cisco | catalyst_5505 | — | cpe:2.3:h:cisco:catalyst_5505:*:*:*:*:*:*:*:* |
| cisco | catalyst_5509 | — | cpe:2.3:h:cisco:catalyst_5509:*:*:*:*:*:*:*:* |
| cisco | catalyst_6000 | — | cpe:2.3:h:cisco:catalyst_6000:*:*:*:*:*:*:*:* |
| cisco | catalyst_6000 | — | cpe:2.3:h:cisco:catalyst_6000:*:*:sup2_msfc2:*:*:*:*:* |
| cisco | catalyst_6000 | — | cpe:2.3:h:cisco:catalyst_6000:*:*:sup720_msfc3:*:*:*:*:* |
| cisco | catalyst_6000_ws-svc-nam-1 | 2.2\(1a\) | cpe:2.3:h:cisco:catalyst_6000_ws-svc-nam-1:2.2\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6000_ws-svc-nam-1 | 3.1\(1a\) | cpe:2.3:h:cisco:catalyst_6000_ws-svc-nam-1:3.1\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6000_ws-svc-nam-2 | 2.2\(1a\) | cpe:2.3:h:cisco:catalyst_6000_ws-svc-nam-2:2.2\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6000_ws-svc-nam-2 | 3.1\(1a\) | cpe:2.3:h:cisco:catalyst_6000_ws-svc-nam-2:3.1\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6000_ws-x6380-nam | 2.1\(2\) | cpe:2.3:h:cisco:catalyst_6000_ws-x6380-nam:2.1\(2\):*:*:*:*:*:*:* |
| cisco | catalyst_6000_ws-x6380-nam | 3.1\(1a\) | cpe:2.3:h:cisco:catalyst_6000_ws-x6380-nam:3.1\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6500 | — | cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:* |
| cisco | catalyst_6500_ws-svc-nam-1 | 2.2\(1a\) | cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-1:2.2\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6500_ws-svc-nam-1 | 3.1\(1a\) | cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-1:3.1\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6500_ws-svc-nam-2 | 2.2\(1a\) | cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-2:2.2\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6500_ws-svc-nam-2 | 3.1\(1a\) | cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-2:3.1\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6500_ws-x6380-nam | 2.1\(2\) | cpe:2.3:h:cisco:catalyst_6500_ws-x6380-nam:2.1\(2\):*:*:*:*:*:*:* |
| cisco | catalyst_6500_ws-x6380-nam | 3.1\(1a\) | cpe:2.3:h:cisco:catalyst_6500_ws-x6380-nam:3.1\(1a\):*:*:*:*:*:*:* |
| cisco | catalyst_6608 | — | cpe:2.3:h:cisco:catalyst_6608:*:*:*:*:*:*:*:* |
| cisco | catalyst_6624 | — | cpe:2.3:h:cisco:catalyst_6624:*:*:*:*:*:*:*:* |
| cisco | catalyst_7600 | — | cpe:2.3:h:cisco:catalyst_7600:*:*:sup2_msfc2:*:*:*:*:* |
| cisco | catalyst_7600 | — | cpe:2.3:h:cisco:catalyst_7600:*:*:sup720_msfc3:*:*:*:*:* |