CVE-2007-3147

Exp

Buffer overflow in the Yahoo! Webcam Upload ActiveX control in ywcupl.dll 2.0.1.4 for Yahoo! Messenger 8.1.0.249 allows remote attackers to execute arbitrary code via a long server property value to the send method. NOTE: some of these details are obtained from third party information.

Published: 2007-06-11 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-3147 is rated High Exploit Risk (82.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 65.01%, 98th percentile). Core evidence: 5 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2007-3147

EDB-ID Source Kind Published Link
16519 exploit_db edb 2010-06-15 Exploit-DB ↗
4053 exploit_db edb 2007-06-08 Exploit-DB ↗
4042 exploit_db edb 2007-06-07 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-3147

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 2026-05-14 69.22% 65.01% -4.21%
2 2026-02-05 71.81% 69.22% -2.59%
3 2026-01-28 71.81%

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-3147

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2007-3147

Affected software / configurations for CVE-2007-3147

Vendor Product Version Raw CPE
yahoo messenger 2.0.1.4 cpe:2.3:a:yahoo:messenger:2.0.1.4:*:*:*:*:*:*:*
yahoo messenger 8.0 cpe:2.3:a:yahoo:messenger:8.0:*:*:*:*:*:*:*
yahoo messenger 8.0.0.863 cpe:2.3:a:yahoo:messenger:8.0.0.863:*:*:*:*:*:*:*
yahoo messenger 8.0.1 cpe:2.3:a:yahoo:messenger:8.0.1:*:*:*:*:*:*:*
yahoo messenger 8.0_2005.1.1.4 cpe:2.3:a:yahoo:messenger:8.0_2005.1.1.4:*:*:*:*:*:*:*
yahoo messenger 8.1.0.249 cpe:2.3:a:yahoo:messenger:8.1.0.249:*:*:*:*:*:*:*

References for CVE-2007-3147

URL Tags
http://lists.grok.org.uk/pipermail/full-disclosure/2007-June/063817.html Exploit
http://messenger.yahoo.com/security_update.php?id=060707 Patch
http://research.eeye.com/html/advisories/published/AD20070608.html Vendor Advisory
http://research.eeye.com/html/advisories/upcoming/20070605.html Vendor Advisory
http://secunia.com/advisories/25547 Patch Vendor Advisory
http://securityreason.com/securityalert/2809
http://securitytracker.com/id?1018204
http://www.kb.cert.org/vuls/id/949817 US Government Resource
http://www.securityfocus.com/archive/1/470861/100/0/threaded
http://www.securityfocus.com/bid/24341
http://www.securityfocus.com/bid/24354 Exploit
http://www.securitytracker.com/id?1018203
http://www.vupen.com/english/advisories/2007/2094
https://exchange.xforce.ibmcloud.com/vulnerabilities/34758
https://www.exploit-db.com/exploits/4042
cvelogic Threat Intelligence