THREATPORT/VULNERABILITY/CVE-2007-4515
HIGH SEVERITY

CVE-2007-4515

Messenger vulnerability

CVSS
9.3
EPSS
33.0%
EPSS pct
98th
Exploited
No known
Buffer overflow in a certain ActiveX control in YVerInfo.dll before 2007.8.27.1 in the Yahoo! services suite for Yahoo! Messenger before 8.1.0.419 allows remote attackers to execute arbitrary code via unspecified vectors involving arguments to the (1) fvCom and (2) info methods. NOTE: some of these details are obtained from third party information.
Affected vendor
Yahoo
Affected product
Messenger
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2007-08-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 33.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2007-4515

  • Confirm whether Yahoo Messenger is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-4515.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-4515

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-4515 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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