CVE-2009-2863

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Summary

CVECVE-2009-2863
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-09-28 19:30:01 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionRace condition in the Firewall Authentication Proxy feature in Cisco IOS 12.0 through 12.4 allows remote attackers to bypass authentication, or bypass the consent web page, via a crafted request, aka Bug ID CSCsy15227.

Risk And Classification

Primary CVSS: v2.0 7.1 from [email protected]

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

Problem Types: CWE-287 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios 12.0xk All All All
Operating System Cisco Ios 12.0xr All All All
Operating System Cisco Ios 12.1 All All All
Operating System Cisco Ios 12.1e All All All
Operating System Cisco Ios 12.1ex All All All
Operating System Cisco Ios 12.1t All All All
Operating System Cisco Ios 12.1xc All All All
Operating System Cisco Ios 12.1xh All All All
Operating System Cisco Ios 12.1xi All All All
Operating System Cisco Ios 12.1xj All All All
Operating System Cisco Ios 12.1xm All All All
Operating System Cisco Ios 12.1xp All All All
Operating System Cisco Ios 12.1xr All All All
Operating System Cisco Ios 12.1yb All All All
Operating System Cisco Ios 12.1yd All All All
Operating System Cisco Ios 12.1yf All All All
Operating System Cisco Ios 12.1yi All All All
Operating System Cisco Ios 12.2 All All All
Operating System Cisco Ios 12.2b All All All
Operating System Cisco Ios 12.2bw All All All
Operating System Cisco Ios 12.2cz All All All
Operating System Cisco Ios 12.2dd All All All
Operating System Cisco Ios 12.2ex All All All
Operating System Cisco Ios 12.2ey All All All
Operating System Cisco Ios 12.2fz All All All
Operating System Cisco Ios 12.2ira All All All
Operating System Cisco Ios 12.2irb All All All
Operating System Cisco Ios 12.2irc All All All
Operating System Cisco Ios 12.2ixa All All All
Operating System Cisco Ios 12.2ixb All All All
Operating System Cisco Ios 12.2ixc All All All
Operating System Cisco Ios 12.2ixd All All All
Operating System Cisco Ios 12.2ixe All All All
Operating System Cisco Ios 12.2ixf All All All
Operating System Cisco Ios 12.2ixg All All All
Operating System Cisco Ios 12.2s All All All
Operating System Cisco Ios 12.2sbc All All All
Operating System Cisco Ios 12.2se All All All
Operating System Cisco Ios 12.2sec All All All
Operating System Cisco Ios 12.2sed All All All
Operating System Cisco Ios 12.2see All All All
Operating System Cisco Ios 12.2sef All All All
Operating System Cisco Ios 12.2seg All All All
Operating System Cisco Ios 12.2sg All All All
Operating System Cisco Ios 12.2sga All All All
Operating System Cisco Ios 12.2sq All All All
Operating System Cisco Ios 12.2sra All All All
Operating System Cisco Ios 12.2srb All All All
Operating System Cisco Ios 12.2src All All All
Operating System Cisco Ios 12.2su All All All
Operating System Cisco Ios 12.2sx All All All
Operating System Cisco Ios 12.2sxa All All All
Operating System Cisco Ios 12.2sxb All All All
Operating System Cisco Ios 12.2sxd All All All
Operating System Cisco Ios 12.2sxe All All All
Operating System Cisco Ios 12.2sxf All All All
Operating System Cisco Ios 12.2sxh All All All
Operating System Cisco Ios 12.2sxi All All All
Operating System Cisco Ios 12.2t All All All
Operating System Cisco Ios 12.2tpc All All All
Operating System Cisco Ios 12.2xa All All All
Operating System Cisco Ios 12.2xb All All All
Operating System Cisco Ios 12.2xd All All All
Operating System Cisco Ios 12.2xe All All All
Operating System Cisco Ios 12.2xg All All All
Operating System Cisco Ios 12.2xj All All All
Operating System Cisco Ios 12.2xk All All All
Operating System Cisco Ios 12.2xl All All All
Operating System Cisco Ios 12.2xm All All All
Operating System Cisco Ios 12.2xo All All All
Operating System Cisco Ios 12.2xq All All All
Operating System Cisco Ios 12.2xt All All All
Operating System Cisco Ios 12.2xv All All All
Operating System Cisco Ios 12.2xw All All All
Operating System Cisco Ios 12.2ya All All All
Operating System Cisco Ios 12.2yb All All All
Operating System Cisco Ios 12.2yc All All All
Operating System Cisco Ios 12.2ye All All All
Operating System Cisco Ios 12.2yf All All All
Operating System Cisco Ios 12.2yh All All All
Operating System Cisco Ios 12.2yl All All All
Operating System Cisco Ios 12.2ym All All All
Operating System Cisco Ios 12.2yn All All All
Operating System Cisco Ios 12.2yq All All All
Operating System Cisco Ios 12.2yu All All All
Operating System Cisco Ios 12.2yv All All All
Operating System Cisco Ios 12.2yx All All All
Operating System Cisco Ios 12.2yz All All All
Operating System Cisco Ios 12.2zd All All All
Operating System Cisco Ios 12.2zh All All All
Operating System Cisco Ios 12.2zj All All All
Operating System Cisco Ios 12.2zl All All All
Operating System Cisco Ios 12.2zy All All All
Operating System Cisco Ios 12.2zya All All All
Operating System Cisco Ios 12.3 All All All
Operating System Cisco Ios 12.3b All All All
Operating System Cisco Ios 12.3jk All All All
Operating System Cisco Ios 12.3t All All All
Operating System Cisco Ios 12.3tpc All All All
Operating System Cisco Ios 12.3va All All All
Operating System Cisco Ios 12.3xa All All All
Operating System Cisco Ios 12.3xc All All All
Operating System Cisco Ios 12.3xd All All All
Operating System Cisco Ios 12.3xe All All All
Operating System Cisco Ios 12.3xf All All All
Operating System Cisco Ios 12.3xg All All All
Operating System Cisco Ios 12.3xk All All All
Operating System Cisco Ios 12.3xl All All All
Operating System Cisco Ios 12.3xq All All All
Operating System Cisco Ios 12.3xr All All All
Operating System Cisco Ios 12.3xx All All All
Operating System Cisco Ios 12.3ya All All All
Operating System Cisco Ios 12.3yd All All All
Operating System Cisco Ios 12.3yg All All All
Operating System Cisco Ios 12.3yh All All All
Operating System Cisco Ios 12.3yi All All All
Operating System Cisco Ios 12.3yk All All All
Operating System Cisco Ios 12.3ym All All All
Operating System Cisco Ios 12.3yt All All All
Operating System Cisco Ios 12.3yz All All All
Operating System Cisco Ios 12.4 All All All
Operating System Cisco Ios 12.4mr All All All
Operating System Cisco Ios 12.4t All All All
Operating System Cisco Ios 12.4xa All All All
Operating System Cisco Ios 12.4xd All All All
Operating System Cisco Ios 12.4xe All All All
Operating System Cisco Ios 12.4xf All All All
Operating System Cisco Ios 12.4xj All All All
Operating System Cisco Ios 12.4xk All All All
Operating System Cisco Ios 12.4xt All All All
Operating System Cisco Ios 12.4xv All All All
Operating System Cisco Ios 12.4xw All All All
Operating System Cisco Ios 12.4xy All All All
Operating System Cisco Ios 12.4xz All All All
Operating System Cisco Ios 12.4ya All All All
Operating System Cisco Ios 12.4yb All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
osvdb.org/58340 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
504 Gateway Time-out af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco IOS Authentication Proxy Race Condition Lets Remote Users Bypass Access Controls - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Cisco Security Advisory: Cisco IOS Software Authentication Proxy Vulnerability - Cisco Systems af854a3a-2127-422b-91ae-364da2661108 www.cisco.com Vendor Advisory
tools.cisco.com/security/center/viewAlert.x af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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