CVE-2008-3818

Cisco ONS 15310-CL, 15310-MA, 15327, 15454, 15454 SDH, and 15600 with software 7.0.2 through 7.0.6, 7.2.2, 8.0.x, 8.5.1, and 8.5.2 allows remote attackers to cause a denial of service (control-card reset) via a crafted TCP session.

Published: 2009-01-16 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-3818 is rated Moderate Risk (60.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.95%). EPSS rose +1.76% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2008-3818

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 0.20% 1.95% +1.76%
2 2026-03-08 0.86% 0.20% -0.67%
3 2025-06-07 — 0.86% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-3818

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2008-3818

Affected software / configurations for CVE-2008-3818

Vendor Product Version Raw CPE
cisco ons 7.0.2 cpe:2.3:a:cisco:ons:7.0.2:*:*:*:*:*:*:*
cisco ons 7.0.4 cpe:2.3:a:cisco:ons:7.0.4:*:*:*:*:*:*:*
cisco ons 7.0.5 cpe:2.3:a:cisco:ons:7.0.5:*:*:*:*:*:*:*
cisco ons 7.2.0 cpe:2.3:a:cisco:ons:7.2.0:*:*:*:*:*:*:*
cisco ons 7.2.2 cpe:2.3:a:cisco:ons:7.2.2:*:*:*:*:*:*:*
cisco ons 8.0 cpe:2.3:a:cisco:ons:8.0:*:*:*:*:*:*:*
cisco ons 8.5.0 cpe:2.3:a:cisco:ons:8.5.0:*:*:*:*:*:*:*
cisco ons 8.5.1 cpe:2.3:a:cisco:ons:8.5.1:*:*:*:*:*:*:*
cisco ons 8.5.2 cpe:2.3:a:cisco:ons:8.5.2:*:*:*:*:*:*:*
cisco ons_15600 — cpe:2.3:h:cisco:ons_15600:*:*:*:*:*:*:*:*

References for CVE-2008-3818

cvelogic Threat Intelligence