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cisco ios 12.1e vulnerabilities and exploits
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4.7
CVSSv2
CVE-2004-0244
Cisco 6000, 6500, and 7600 series systems with Multilayer Switch Feature Card 2 (MSFC2) and a FlexWAN or OSM module allow local users to cause a denial of service (hang or reset) by sending a layer 2 frame packet that encapsulates a layer 3 packet, but has inconsistent length val...
Cisco Ios 12.1e
Cisco Ios 12.2sy
Cisco Ios 12.2za
1 EDB exploit
7.8
CVSSv2
CVE-2002-2239
The Cisco Optical Service Module (OSM) for the Catalyst 6500 and 7600 series running Cisco IOS 12.1(8)E up to and including 12.1(13.4)E allows remote malicious users to cause a denial of service (hang) via a malformed packet.
Cisco Ios 12.1e
9.3
CVSSv2
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
5
CVSSv2
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
5
CVSSv2
CVE-2001-1183
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote malicious users to cause a denial of service (crash) via a malformed packet.
Cisco Ios 12.1e
Cisco Ios 12.1ez
Cisco Ios 12.1t
Cisco Ios 12.1ya
Cisco Ios 12.1yc
Cisco Ios 12.1yd
Cisco Ios 12.2
Cisco Ios 12.2t
Cisco Ios 12.2xa
Cisco Ios 12.2xd
Cisco Ios 12.2xe
Cisco Ios 12.2xh
7.8
CVSSv2
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
7.5
CVSSv2
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
10
CVSSv2
CVE-2002-1357
Multiple SSH2 servers and clients do not properly handle packets or data elements with incorrect length specifiers, which may allow remote malicious users to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHredder SSH protocol test suite.
Cisco Ios 12.0s
Cisco Ios 12.0st
Cisco Ios 12.1e
Cisco Ios 12.1ea
Cisco Ios 12.1t
Cisco Ios 12.2
Cisco Ios 12.2s
Cisco Ios 12.2t
Fissh Ssh Client 1.0a For Windows
Intersoft Securenetterm 5.4.1
Netcomposite Shellguard Ssh 3.4.6
Pragma Systems Secureshell 2.0
10
CVSSv2
CVE-2002-1358
Multiple SSH2 servers and clients do not properly handle lists with empty elements or strings, which may allow remote malicious users to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHredder SSH protocol test suite.
Cisco Ios 12.0s
Cisco Ios 12.0st
Cisco Ios 12.1e
Cisco Ios 12.1ea
Cisco Ios 12.1t
Cisco Ios 12.2
Cisco Ios 12.2s
Cisco Ios 12.2t
Fissh Ssh Client 1.0a For Windows
Intersoft Securenetterm 5.4.1
Netcomposite Shellguard Ssh 3.4.6
Pragma Systems Secureshell 2.0
10
CVSSv2
CVE-2002-1359
Multiple SSH2 servers and clients do not properly handle large packets or large fields, which may allow remote malicious users to cause a denial of service or possibly execute arbitrary code via buffer overflow attacks, as demonstrated by the SSHredder SSH protocol test suite.
Cisco Ios 12.0s
Cisco Ios 12.0st
Cisco Ios 12.1e
Cisco Ios 12.1ea
Cisco Ios 12.1t
Cisco Ios 12.2
Cisco Ios 12.2s
Cisco Ios 12.2t
Fissh Ssh Client 1.0a For Windows
Intersoft Securenetterm 5.4.1
Netcomposite Shellguard Ssh 3.4.6
Pragma Systems Secureshell 2.0
2 EDB exploits
Preferred Score:
CVSSv3
CVSSv2
CVSSv3
CVSSv4
EPSS
VMScore
Recommendations:
CVE-2025-46656
unknown
CVE-2025-46577
CVE-2025-32979
paicoding
XPath injection
hackmd
CVE-2025-3643
opplus
CSRF
local users
CVE-2025-32433
CVE-2025-32432
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