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cisco ios 12.0t vulnerabilities and exploits
(subscribe to this query)
600
VMScore
CVE-1999-0157
Cisco PIX firewall and CBAC IP fragmentation attack results in a denial of service.
Cisco Ios 11.2p
Cisco Ios 11.3t
Cisco Ios 12.0
Cisco Ios 12.0t
Cisco Pix Firewall Software 4.2(1)
600
VMScore
CVE-2002-0339
Cisco IOS 11.1CC up to and including 12.2 with Cisco Express Forwarding (CEF) enabled includes portions of previous packets in the padding of a MAC level packet when the MAC packet's length is less than the IP level packet length.
Cisco Ios 11.1cc
Cisco Ios 12.0
Cisco Ios 12.0s
Cisco Ios 12.0st
Cisco Ios 12.0t
Cisco Ios 12.1
Cisco Ios 12.1e
Cisco Ios 12.1t
Cisco Ios 12.2
Cisco Ios 12.2t
1000
VMScore
CVE-2003-1398
Cisco IOS 12.0 up to and including 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote malicious users to cause a denial of service (network routing modification).
Cisco Ios 12.0
Cisco Ios 12.0s
Cisco Ios 12.0st
Cisco Ios 12.0t
Cisco Ios 12.1
Cisco Ios 12.1e
Cisco Ios 12.1t
Cisco Ios 12.2
Cisco Ios 12.2e
Cisco Ios 12.2f
Cisco Ios 12.2s
Cisco Ios 12.2t
600
VMScore
CVE-1999-0063
Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.
Cisco Ios 11.3aa
Cisco Ios 11.3db
Cisco Ios 12.0
Cisco Ios 12.0(1)w
Cisco Ios 12.0(1)xa3
Cisco Ios 12.0(1)xb
Cisco Ios 12.0(1)xe
Cisco Ios 12.0(2)xc
Cisco Ios 12.0(2)xd
Cisco Ios 12.0db
Cisco Ios 12.0s
Cisco Ios 12.0t
1 EDB exploit
600
VMScore
CVE-1999-0445
In Cisco routers under some versions of IOS 12.0 running NAT, some packets may not be filtered by input access list filters.
Cisco Ios 12.0
Cisco Ios 12.0(1)w
Cisco Ios 12.0(1)xa3
Cisco Ios 12.0(1)xb
Cisco Ios 12.0(1)xe
Cisco Ios 12.0(2)xc
Cisco Ios 12.0(2)xd
Cisco Ios 12.0(2)xf
Cisco Ios 12.0(2)xg
Cisco Ios 12.0db
Cisco Ios 12.0s
Cisco Ios 12.0t
600
VMScore
CVE-2000-0984
The HTTP server in Cisco IOS 12.0 up to and including 12.1 allows local users to cause a denial of service (crash and reload) via a URL containing a "?/" string.
Cisco Ios 12.0t
Cisco Ios 12.0w5
Cisco Ios 12.0xa
Cisco Ios 12.0xe
Cisco Ios 12.0xh
Cisco Ios 12.0xj
Cisco Ios 12.1aa
Cisco Ios 12.1da
Cisco Ios 12.1db
Cisco Ios 12.1dc
Cisco Ios 12.1ec
Cisco Ios 12.1t
1 EDB exploit
880
VMScore
CVE-2007-2688
The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote malicious users to evade detection of HTTP traffic.
Cisco Ips Sensor Software 4.0
Cisco Ips Sensor Software 5.0(1)
Cisco Ips Sensor Software 5.0(2)
Cisco Ips Sensor Software 5.0(6)p1
Cisco Ips Sensor Software 5.1(1)
Cisco Ips Sensor Software 5.1(1a)
Cisco Ips Sensor Software 5.1(1b)
Cisco Ips Sensor Software 5.1(1c)
Cisco Ips Sensor Software 5.1(1d)
Cisco Ips Sensor Software 5.1(1e)
Cisco Ips Sensor Software 5.1(p1)
Cisco Ios 10.0
850
VMScore
CVE-2001-0929
Cisco IOS Firewall Feature set, aka Context Based Access Control (CBAC) or Cisco Secure Integrated Software, for IOS 11.2P up to and including 12.2T does not properly check the IP protocol type, which could allow remote malicious users to bypass access control lists.
Cisco Ios 11.2p
Cisco Ios 11.3t
Cisco Ios 12.0
Cisco Ios 12.0t
Cisco Ios 12.1
Cisco Ios 12.1e
Cisco Ios 12.1t
Cisco Ios 12.2
Cisco Ios 12.2t
810
VMScore
CVE-2000-0380
The IOS HTTP service in Cisco routers and switches running IOS 11.1 up to and including 12.1 allows remote malicious users to cause a denial of service by requesting a URL that contains a %% string.
Cisco Ios 11.1
Cisco Ios 11.2
Cisco Ios 11.2(4)f1
Cisco Ios 11.2(8)
Cisco Ios 11.2(8)p
Cisco Ios 11.2(9)p
Cisco Ios 11.2(9)xa
Cisco Ios 11.2(10)
Cisco Ios 11.2(10)bc
Cisco Ios 11.2(17)
Cisco Ios 11.2p
Cisco Ios 11.3
1 EDB exploit
600
VMScore
CVE-2004-1775
Cisco VACM (View-based Access Control MIB) for Catalyst Operating Software (CatOS) 5.5 and 6.1 and IOS 12.0 and 12.1 allows remote malicious users to read and modify device configuration via the read-write community string.
Cisco Ios 12.0da
Cisco Ios 12.0db
Cisco Ios 12.0dc
Cisco Ios 12.0s
Cisco Ios 12.0sc
Cisco Ios 12.0sl
Cisco Ios 12.0st
Cisco Ios 12.0t
Cisco Ios 12.0xa
Cisco Ios 12.0xb
Cisco Ios 12.0xc
Cisco Ios 12.0xd
Preferred Score:
VMScore
CVSSv2
CVSSv3
CVSSv4
EPSS
VMScore
Recommendations:
CVE-2025-21317
CVE-2025-23940
buffer overflow
CVE-2025-21335
CVE-2025-23860
CVE-2024-57704
SSTI
wireless
CVE-2019-3309
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