CVE-2002-2414

Opera 6.0.3, when using Squid 2.4 for HTTPS proxying, does not properly handle when accepting a non-global certificate authority (CA) certificate from a site and establishing a subsequent HTTPS connection, which allows remote attackers to cause a denial of service (crash).

Published: 2002-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-2414 is rated Low Risk (26.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.13%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2002-2414

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 0.95% 0.13% -0.82%
2 2024-09-04 0.76% 0.95% +0.20%
3 2024-05-13 0.76%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-2414

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:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2002-2414

Affected software / configurations for CVE-2002-2414

Vendor Product Version Raw CPE
opera_software opera 6.0.3 cpe:2.3:a:opera_software:opera:6.0.3:*:*:*:*:*:*:*
squid squid 2.4 cpe:2.3:a:squid:squid:2.4:*:*:*:*:*:*:*

References for CVE-2002-2414

cvelogic Threat Intelligence