CVE-2007-2850: n/a vulnerability

CVE-2007-2850: The Session Reliability Service (XTE) in Citrix MetaFrame Presentation Server 3.0, Presentation Server 4.0,...

The Session Reliability Service (XTE) in Citrix MetaFrame Presentation Server 3.0, Presentation Server 4.0, and Access Essentials 1.0 and 1.5, allows remote attackers to bypass network security policies and connect to arbitrary TCP ports via a modified address:port string.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 13:57 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2007-2850 affects legacy Citrix Session Reliability Service deployments. The reported issue could let a remote user bypass intended network policy controls and reach TCP ports that should not be reachable through Citrix. The sources identify old Citrix MetaFrame Presentation Server and Access Essentials versions. No KEV listing or supplied source shows active exploitation. Exposure is most likely in organizations still running Citrix MetaFrame Presentation Server 3.0 or 4.0, or Citrix Access Essentials 1.0 or 1.5, with Session Reliability/XTE reachable by users or networks that should have restricted port access. Treat this as an exposure-discovery item unless affected legacy Citrix systems are found. If present, prioritize remediation because the issue concerns network policy bypass, which can weaken segmentation and internal access controls. Mitigation focus: Inventory Citrix MetaFrame and Access Essentials systems for affected versions.; Review Citrix CTX112964 and current vendor guidance for supported remediation.; Restrict XTE/Session Reliability exposure to trusted networks only..

Prepared: Jun 29, 2026, 05:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 24, 2007, 18:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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2Source links

CVSS and timeline data

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Source materials

CVE List V5 sourceCVE List V5
citrix-session-security-bypass(34448)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

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CWE details

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