VendorsCiscoios12.1\(19\)
Vulnerabilities

Cisco IOS 12.1\(19\)

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

5CVEs
CVE-2016-6380
The DNS forwarder in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.15 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (data corruption or device reload) via a crafted DNS response, aka Bug ID CSCup90532.
Published 2016-10-05 · Modified
8.3EPSS 0.030
CVE-2006-4774
The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to cause a denial of service by sending a VTP version 1 summary frame with a VTP version field value of 2.
Published 2006-09-14 · Modified
7.8EPSS 0.050
CVE-2006-4775
The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incremented to 0x80000000 and is interpreted as a negative number in a signed context.
Published 2006-09-14 · Modified
7.8EPSS 0.050
CVE-2006-4776
Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to execute arbitrary code via a long VLAN name in a VTP type 2 summary advertisement.
Published 2006-09-14 · Modified
7.5EPSS 0.078
CVE-2019-1748
Cisco IOS and IOS XE Software Network Plug-and-Play Agent Certificate Validation Vulnerability
Published 2019-03-27 · Modified
7.4EPSS 0.012