CVE-2008-4515

Blue Coat K9 Web Protection 4.0.230 Beta relies on client-side JavaScript as a protection mechanism, which allows remote attackers to bypass authentication and access the (1) summary, (2) detail, (3) overrides, and (4) pwemail pages by disabling JavaScript.

Published: 2008-10-09 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-4515 is rated Moderate Risk (49.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.40%). 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-2008-4515

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 2025-03-17 0.89% 0.40% -0.49%
2 2025-03-13 0.79% 0.89% +0.10%
3 2023-03-07 — 0.79% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4515

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2008-4515

Affected software / configurations for CVE-2008-4515

Vendor Product Version Raw CPE
blue_coat_systems k9_web_protection 4.0.230 cpe:2.3:a:blue_coat_systems:k9_web_protection:4.0.230:beta:*:*:*:*:*:*

References for CVE-2008-4515

cvelogic Threat Intelligence