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CVE Record

CVE-2010-2629: The Cisco Content Services Switch (CSS) 11500 with software 8.20.4.02 and the Application Control Engine (A...

The Cisco Content Services Switch (CSS) 11500 with software 8.20.4.02 and the Application Control Engine (ACE) 4710 with software A2(3.0) do not properly handle LF header terminators in situations where the GET line is terminated by CRLF, which allows remote attackers to conduct HTTP request smuggling attacks and possibly bypass intended header insertions via crafted header data, as demonstrated by an LF character between the ClientCert-Subject and ClientCert-Subject-CN headers. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-1576.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This issue affects specific Cisco CSS 11500 and ACE 4710 software versions. They may mishandle unusual HTTP line endings, letting an attacker confuse how requests and headers are interpreted. The concern is bypassing intended security header insertions, especially where client certificate headers influence trust decisions. Exposure is likely limited to environments still running the named legacy Cisco CSS or ACE software in front of HTTP applications, especially where inserted certificate-related headers are trusted by back-end systems. Prioritize assessment if these legacy Cisco appliances still protect authentication-sensitive applications. The main business risk is a perimeter control misreading HTTP traffic and weakening trusted identity headers. Mitigation focus: Inventory for Cisco CSS 11500 8.20.4.02 and ACE 4710 A2(3.0).; Check Cisco guidance and advisories for supported fixed versions or retirement direction.; Avoid relying solely on inserted client certificate headers for authorization decisions..

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CNA and ADP enrichment extracted from CVE v5

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