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cisco ios 12.3xy vulnerabilities and exploits

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740
VMScore

CVE-2007-0917

The Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XE to 12.3T allows remote malicious users to bypass IPS signatures that use regular expressions via fragmented packets.
Cisco Ios 12.3tCisco Ios 12.3xqCisco Ios 12.3xrCisco Ios 12.3xsCisco Ios 12.3xwCisco Ios 12.3xxCisco Ios 12.3xyCisco Ios 12.3yaCisco Ios 12.3ydCisco Ios 12.3ygCisco Ios 12.3yhCisco Ios 12.3yi
810
VMScore

CVE-2007-0918

The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote malicious users to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handl...
Cisco Ios 12.3tCisco Ios 12.3xqCisco Ios 12.3xrCisco Ios 12.3xsCisco Ios 12.3xwCisco Ios 12.3xxCisco Ios 12.3xyCisco Ios 12.3yaCisco Ios 12.3ydCisco Ios 12.3ygCisco Ios 12.3yhCisco Ios 12.3yi
880
VMScore

CVE-2009-0626

The SSLVPN feature in Cisco IOS 12.3 up to and including 12.4 allows remote malicious users to cause a denial of service (device reload or hang) via a crafted HTTPS packet.
Cisco Ios 12.3Cisco Ios 12.3bCisco Ios 12.3bcCisco Ios 12.3bwCisco Ios 12.3jaCisco Ios 12.3jeaCisco Ios 12.3jebCisco Ios 12.3jecCisco Ios 12.3jkCisco Ios 12.3jlCisco Ios 12.3jxCisco Ios 12.3t
810
VMScore

CVE-2008-3802

Unspecified vulnerability in the Session Initiation Protocol (SIP) implementation in Cisco IOS 12.2 up to and including 12.4, when VoIP is configured, allows remote malicious users to cause a denial of service (device reload) via unspecified valid SIP messages, aka Cisco bug ID C...
Cisco Ios 12.2bCisco Ios 12.2bxCisco Ios 12.2byCisco Ios 12.2czCisco Ios 12.2mcCisco Ios 12.2tCisco Ios 12.2tpcCisco Ios 12.2xbCisco Ios 12.2xmCisco Ios 12.2xtCisco Ios 12.2xuCisco Ios 12.2xw
850
VMScore

CVE-2005-2105

Cisco IOS 12.2T up to and including 12.4 allows remote malicious users to bypass Authentication, Authorization, and Accounting (AAA) RADIUS authentication, if the fallback method is set to none, via a long username.
Cisco Ios 12.2(2)xrCisco Ios 12.2(4)xrCisco Ios 12.2tCisco Ios 12.2xbCisco Ios 12.2xcCisco Ios 12.2xdCisco Ios 12.2xeCisco Ios 12.2xfCisco Ios 12.2xgCisco Ios 12.2xhCisco Ios 12.2xiCisco Ios 12.2xj
600
VMScore

CVE-2005-0195

Cisco IOS 12.0S up to and including 12.3YH allows remote malicious users to cause a denial of service (device restart) via a crafted IPv6 packet.
Cisco Ios 12.0sCisco Ios 12.0sxCisco Ios 12.0szCisco Ios 12.2bCisco Ios 12.2bcCisco Ios 12.2bxCisco Ios 12.2bzCisco Ios 12.2cxCisco Ios 12.2czCisco Ios 12.2ewCisco Ios 12.2ewaCisco Ios 12.2jk
560
VMScore

CVE-2006-0485

The TCL shell in Cisco IOS 12.2(14)S prior to 12.2(14)S16, 12.2(18)S prior to 12.2(18)S11, and certain other releases prior to 25 January 2006 does not perform Authentication, Authorization, and Accounting (AAA) command authorization checks, which may allow local users to execute...
Cisco Ios 12.0tCisco Ios 12.0xhCisco Ios 12.0xkCisco Ios 12.0xlCisco Ios 12.0xnCisco Ios 12.0xrCisco Ios 12.1Cisco Ios 12.1aaCisco Ios 12.1eCisco Ios 12.1ecCisco Ios 12.1ezCisco Ios 12.1ga
880
VMScore

CVE-2009-2866

Unspecified vulnerability in Cisco IOS 12.2 up to and including 12.4 allows remote malicious users to cause a denial of service (device reload) via a crafted H.323 packet, aka Bug ID CSCsz38104.
Cisco Ios 12.2bCisco Ios 12.2bxCisco Ios 12.2czCisco Ios 12.2mcCisco Ios 12.2tCisco Ios 12.2yhCisco Ios 12.2yjCisco Ios 12.2ylCisco Ios 12.2ymCisco Ios 12.2ynCisco Ios 12.2ytCisco Ios 12.2yu
880
VMScore

CVE-2010-0585

Cisco IOS 12.1 up to and including 12.4, when Cisco Unified Communications Manager Express (CME) or Cisco Unified Survivable Remote Site Telephony (SRST) is enabled, allows remote malicious users to cause a denial of service (device reload) via a malformed Skinny Client Control P...
Cisco Ios 12.1ydCisco Ios 12.1yeCisco Ios 12.1yiCisco Ios 12.2bCisco Ios 12.2bxCisco Ios 12.2byCisco Ios 12.2mcCisco Ios 12.2tCisco Ios 12.2tpcCisco Ios 12.2xbCisco Ios 12.2xgCisco Ios 12.2xm
880
VMScore

CVE-2010-0586

Cisco IOS 12.1 up to and including 12.4, when Cisco Unified Communications Manager Express (CME) or Cisco Unified Survivable Remote Site Telephony (SRST) is enabled, allows remote malicious users to cause a denial of service (device reload) via a malformed Skinny Client Control P...
Cisco Ios 12.1ydCisco Ios 12.1yeCisco Ios 12.1yiCisco Ios 12.2bCisco Ios 12.2bxCisco Ios 12.2byCisco Ios 12.2mcCisco Ios 12.2tCisco Ios 12.2tpcCisco Ios 12.2xbCisco Ios 12.2xgCisco Ios 12.2xm
Preferred Score:
VMScore
CVSSv2
CVSSv3
CVSSv4
EPSS
VMScore
Recommendations:
CVE-2025-21317CVE-2025-23940buffer overflowCVE-2025-21335CVE-2025-23860CVE-2024-57704SSTIwirelessCVE-2019-3309
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