CVE-2011-2593

Access Gateway Plug In vulnerability

CVSS

6.8

EPSS

4.0%

EPSS pct

89th

Exploited

No known

Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for Windows 9.x before 9.3-57.5 and 10.0 before 10.0-69.4 allows remote attackers to execute arbitrary code via a crafted Content-Length HTTP header, which triggers a heap-based buffer overflow.

Affected vendor

Citrix

Affected product

Access Gateway Plug In

CVSS vector

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

Weakness type (CWE)

CWE-189

Published

2014-08-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium 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 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2011-2593

Confirm whether Citrix Access Gateway Plug In is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-2593.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-2593

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-2593 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2011-2593?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2011-2593.

Start free scan

No credit card. Agentless.

Related vulnerabilities

Webaccess vulnerability