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cisco ios 12.3xx vulnerabilities and exploits

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880
VMScore

CVE-2008-2739

The SERVICE.DNS signature engine in the Intrusion Prevention System (IPS) in Cisco IOS 12.3 and 12.4 allows remote malicious users to cause a denial of service (device crash or hang) via network traffic that triggers unspecified IPS signatures, a different vulnerability than CVE-...
Cisco Ios 12.3tCisco Ios 12.3xlCisco Ios 12.3xqCisco Ios 12.3xrCisco Ios 12.3xsCisco Ios 12.3xxCisco Ios 12.3yaCisco Ios 12.3ydCisco Ios 12.3ygCisco Ios 12.3yhCisco Ios 12.3yiCisco Ios 12.3yk
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
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-2011-3276

Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1 up to and including 12.4 and 15.0 up to and including 15.1, and IOS XE 3.1.xSG, allows remote malicious users to cause a denial of service (device reload or hang) by sending crafted SIP packets to TCP port 5060...
Cisco Ios Xe 3.1.0sgCisco Ios Xe 3.1.1sgCisco Ios 12.1Cisco Ios 12.1eCisco Ios 12.2Cisco Ios 12.2bCisco Ios 12.2bcCisco Ios 12.2bxCisco Ios 12.2cxCisco Ios 12.2czCisco Ios 12.2ewCisco Ios 12.2ewa
880
VMScore

CVE-2011-3277

Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1 up to and including 12.4 and 15.0 up to and including 15.1, and IOS XE 3.1.xSG, allows remote malicious users to cause a denial of service (device reload) by sending crafted H.323 packets to TCP port 1720, aka ...
Cisco Ios Xe 3.1.0sgCisco Ios Xe 3.1.1sgCisco Ios 12.1Cisco Ios 12.1eCisco Ios 12.2Cisco Ios 12.2bCisco Ios 12.2bcCisco Ios 12.2bxCisco Ios 12.2cxCisco Ios 12.2czCisco Ios 12.2ewCisco Ios 12.2ewa
Preferred Score:
VMScore
CVSSv2
CVSSv3
CVSSv4
EPSS
VMScore
Recommendations:
CVE-2024-10401validationCVE-2025-0483CVE-2024-10789deserializationCVE-2025-21333wirelessCVE-2024-13387CVE-2025-21334
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