CVE-2013-2556

Windows Vista vulnerability

CVSS

7.5

EPSS

7.6%

EPSS pct

94th

Exploited

No known

Unspecified vulnerability in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 through SP1 allows attackers to bypass the ASLR protection mechanism via unknown vectors, as demonstrated against Adobe Flash Player by VUPEN during a Pwn2Own competition at CanSecWest 2013, aka "ASLR Security Feature Bypass Vulnerability."

Affected vendor

Microsoft

Affected product

Windows Vista

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published

2013-03-11

Risk analysis

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

Its EPSS score of 7.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2013-2556

Confirm whether Microsoft Windows Vista is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-2556.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-2556

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-2556 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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