CVE-2010-3753: n/a vulnerability

CVE-2010-3753: programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 allows remote authenticated gateways...

programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 allows remote authenticated gateways to execute arbitrary commands via shell metacharacters in the cisco_banner (aka server_banner) field, a different vulnerability than CVE-2010-3308.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 03:18 UTC (UTC+00:00)

Security readout for executives and security teams

A malicious or compromised VPN gateway could make a vulnerable Openswan client run attacker-controlled commands through a banner field. The issue affects Openswan 2.6.26 through 2.6.28. Business risk is highest where users connect clients to third-party, partner, or weakly governed VPN gateways. Exposure appears limited to environments running Openswan client versions 2.6.26, 2.6.27, or 2.6.28, especially where XAUTH/Cisco-style gateway banners are accepted from remote authenticated gateways. Treat as a targeted remote code execution risk for legacy VPN clients. Prioritize if affected Openswan versions remain in use, especially on administrator workstations or partner-facing VPN environments. Mitigation focus: Inventory Openswan clients and identify versions 2.6.26 through 2.6.28.; Apply vendor-fixed Openswan packages or the referenced upstream patch where applicable.; Review Red Hat or distribution-specific guidance for supported package remediation..

Prepared: Jun 28, 2026, 01:40 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: Oct 5, 2010, 21:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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