CVE-2010-4566

Access Gateway vulnerability

CVSS

9.3

EPSS

27.8%

EPSS pct

98th

Exploited

No known

The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field.

Affected vendor

Citrix

Affected product

Access Gateway

CVSS vector

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

Published

2011-01-14

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 27.8% 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-2010-4566

Confirm whether Citrix Access Gateway is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-4566.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-4566

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-4566 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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