CVE-2007-4901

The embedded Internet Explorer server control in AOL Instant Messenger (AIM) 6.1.41.2 and 6.2.32.1, AIM Pro, and AIM Lite does not properly constrain the use of mshtml.dll's web script and HTML functionality for incoming instant messages, which allows remote attackers to place HTML into unexpected contexts or execute arbitrary code, as demonstrated by writing arbitrary HTML to a notification window, and writing contents of arbitrary local image files to this window via IMG SRC.

Published: 2007-09-14 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4901 is rated Moderate Risk (53.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.79%). 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-2007-4901

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 2.41% 2.79% +0.38%
2 2025-11-29 2.26% 2.41% +0.15%
3 2025-10-09 2.26%

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4901

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N 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:N)
No availability impact.
8.6 4.9 [email protected]

Weakness enumeration for CVE-2007-4901

Affected software / configurations for CVE-2007-4901

Vendor Product Version Raw CPE
aol aim_lite cpe:2.3:a:aol:aim_lite:*:*:*:*:*:*:*:*
aol aim_pro cpe:2.3:a:aol:aim_pro:*:*:*:*:*:*:*:*
aol instant_messenger 6.2.32.1 cpe:2.3:a:aol:instant_messenger:6.2.32.1:*:*:*:*:*:*:*

References for CVE-2007-4901

cvelogic Threat Intelligence