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cisco ios 12.0sy vulnerabilities and exploits

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880
VMScore

CVE-2003-0567

Cisco IOS 11.x and 12.0 up to and including 12.2 allows remote malicious users to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the input queue on that interface to be marked as full.
Cisco Ios 11.0Cisco Ios 11.1Cisco Ios 11.1aaCisco Ios 11.1caCisco Ios 11.1ccCisco Ios 11.2Cisco Ios 11.2pCisco Ios 11.2saCisco Ios 11.3Cisco Ios 11.3tCisco Ios 12.0Cisco Ios 12.0da
880
VMScore

CVE-2008-3808

Unspecified vulnerability in Cisco IOS 12.0 up to and including 12.4 allows remote malicious users to cause a denial of service (device reload) via a crafted Protocol Independent Multicast (PIM) packet.
Cisco Ios 12.0Cisco Ios 12.0daCisco Ios 12.0dbCisco Ios 12.0sCisco Ios 12.0slCisco Ios 12.0spCisco Ios 12.0stCisco Ios 12.0sxCisco Ios 12.0syCisco Ios 12.0szCisco Ios 12.0tCisco Ios 12.0w
600
VMScore

CVE-2005-0196

Cisco IOS 12.0 up to and including 12.3YL, with BGP enabled and running the bgp log-neighbor-changes command, allows remote malicious users to cause a denial of service (device reload) via a malformed BGP packet.
Cisco Ios 12.0Cisco Ios 12.0daCisco Ios 12.0dbCisco Ios 12.0dcCisco Ios 12.0sCisco Ios 12.0scCisco Ios 12.0spCisco Ios 12.0stCisco Ios 12.0sxCisco Ios 12.0syCisco Ios 12.0szCisco Ios 12.0w5
310
VMScore

CVE-2005-2451

Cisco IOS 12.0 up to and including 12.4 and IOS XR prior to 3.2, with IPv6 enabled, allows remote attackers on a local network segment to cause a denial of service (device reload) and possibly execute arbitrary code via a crafted IPv6 packet.
Cisco Ios 12.0sCisco Ios 12.0slCisco Ios 12.0stCisco Ios 12.0syCisco Ios 12.1xuCisco Ios 12.1xvCisco Ios 12.1ybCisco Ios 12.1ycCisco Ios 12.1ydCisco Ios 12.1yeCisco Ios 12.1yfCisco Ios 12.1yh
530
VMScore

CVE-2008-3821

Multiple cross-site scripting (XSS) vulnerabilities in the HTTP server in Cisco IOS 11.0 up to and including 12.4 allow remote malicious users to inject arbitrary web script or HTML via (1) the query string to the ping program or (2) unspecified other aspects of the URI.
Cisco Ios 12.0Cisco Ios 12.0daCisco Ios 12.0dbCisco Ios 12.0dcCisco Ios 12.0sCisco Ios 12.0scCisco Ios 12.0slCisco Ios 12.0spCisco Ios 12.0stCisco Ios 12.0sxCisco Ios 12.0syCisco Ios 12.0sz
810
VMScore

CVE-2009-0630

The (1) Cisco Unified Communications Manager Express; (2) SIP Gateway Signaling Support Over Transport Layer Security (TLS) Transport; (3) Secure Signaling and Media Encryption; (4) Blocks Extensible Exchange Protocol (BEEP); (5) Network Admission Control HTTP Authentication Prox...
Cisco Ios 12.0Cisco Ios 12.0daCisco Ios 12.0dbCisco Ios 12.0dcCisco Ios 12.0sCisco Ios 12.0scCisco Ios 12.0slCisco Ios 12.0spCisco Ios 12.0stCisco Ios 12.0sxCisco Ios 12.0syCisco Ios 12.0sz
880
VMScore

CVE-2009-0631

Unspecified vulnerability in Cisco IOS 12.0 up to and including 12.4, when configured with (1) IP Service Level Agreements (SLAs) Responder, (2) Session Initiation Protocol (SIP), (3) H.323 Annex E Call Signaling Transport, or (4) Media Gateway Control Protocol (MGCP) allows remo...
Cisco Ios 12.0Cisco Ios 12.0daCisco Ios 12.0dbCisco Ios 12.0dcCisco Ios 12.0sCisco Ios 12.0scCisco Ios 12.0slCisco Ios 12.0spCisco Ios 12.0stCisco Ios 12.0sxCisco Ios 12.0syCisco Ios 12.0sz
880
VMScore

CVE-2009-0636

Unspecified vulnerability in Cisco IOS 12.0 up to and including 12.4, when SIP voice services are enabled, allows remote malicious users to cause a denial of service (device crash) via a valid SIP message.
Cisco Ios 12.0Cisco Ios 12.0daCisco Ios 12.0dbCisco Ios 12.0dcCisco Ios 12.0sCisco Ios 12.0scCisco Ios 12.0slCisco Ios 12.0spCisco Ios 12.0stCisco Ios 12.0sxCisco Ios 12.0syCisco Ios 12.0sz
810
VMScore

CVE-2009-2873

Cisco IOS 12.0 up to and including 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote malicious users to cause a denial of service (device reload) via malformed packets, aka Bug ID CSCsx70889.
Cisco Ios 12.0Cisco Ios 12.0daCisco Ios 12.0dbCisco Ios 12.0dcCisco Ios 12.0sCisco Ios 12.0scCisco Ios 12.0slCisco Ios 12.0spCisco Ios 12.0stCisco Ios 12.0sxCisco Ios 12.0syCisco Ios 12.0sz
780
VMScore

CVE-2009-2872

Cisco IOS 12.0 up to and including 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote malicious users to cause a denial of service (device reload) via a malformed packet that is not properly handled during switching from one tunnel to ...
Cisco Ios 12.0Cisco Ios 12.0daCisco Ios 12.0dbCisco Ios 12.0dcCisco Ios 12.0sCisco Ios 12.0scCisco Ios 12.0slCisco Ios 12.0spCisco Ios 12.0stCisco Ios 12.0sxCisco Ios 12.0syCisco Ios 12.0sz
Preferred Score:
VMScore
CVSSv2
CVSSv3
CVSSv4
EPSS
VMScore
Recommendations:
remote attackersbuffer overflowCVE-2024-50603CVE-2025-0282CVE-2025-21382CVE-2025-23041XXECVE-2025-21374CVE-2025-22996
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