CVE-2010-2420

Multiple unspecified vulnerabilities in Fenrir Inc. ActiveGeckoBrowser 1.0.0 and 1.0.5 alpha, a module for the Sleipnir web browser, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors related to the Gecko engine.

Published: 2010-06-22 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-2420 is rated Moderate Risk (55.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.13%). Mandatory action: 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-2010-2420

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 1.31% 2.13% +0.82%
2 2025-03-30 1.55% 1.31% -0.23%
3 2025-03-29 1.55%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-2420

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2010-2420

Affected software / configurations for CVE-2010-2420

Vendor Product Version Raw CPE
fenrir-inc activegeckobrowser 1.0.0 cpe:2.3:a:fenrir-inc:activegeckobrowser:1.0.0:*:*:*:*:*:*:*
fenrir-inc activegeckobrowser 1.0.5 cpe:2.3:a:fenrir-inc:activegeckobrowser:1.0.5:alpha:*:*:*:*:*:*

References for CVE-2010-2420

cvelogic Threat Intelligence