Vulnerabilities > Cisco > IOS > 12.4.17a
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-09-23 | CVE-2021-34703 | Improper Initialization vulnerability in Cisco IOS A vulnerability in the Link Layer Discovery Protocol (LLDP) message parser of Cisco IOS Software and Cisco IOS XE Software could allow an attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. | 6.5 |
| 2021-09-23 | CVE-2021-34705 | Unspecified vulnerability in Cisco IOS and IOS XE A vulnerability in the Voice Telephony Service Provider (VTSP) service of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass configured destination patterns and dial arbitrary numbers. | 5.3 |
| 2020-06-03 | CVE-2020-3201 | Improper Input Validation vulnerability in Cisco IOS A vulnerability in the Tool Command Language (Tcl) interpreter of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker with privileged EXEC credentials to cause a denial of service (DoS) condition on an affected system. | 4.9 |
| 2019-09-25 | CVE-2019-12655 | Classic Buffer Overflow vulnerability in Cisco IOS A vulnerability in the FTP application layer gateway (ALG) functionality used by Network Address Translation (NAT), NAT IPv6 to IPv4 (NAT64), and the Zone-Based Policy Firewall (ZBFW) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. | 7.8 |
| 2019-05-13 | CVE-2019-1649 | Improper Locking vulnerability in Cisco products A vulnerability in the logic that handles access control to one of the hardware components in Cisco's proprietary Secure Boot implementation could allow an authenticated, local attacker to write a modified firmware image to the component. | 6.7 |
| 2017-09-29 | CVE-2017-12240 | Improper Input Validation vulnerability in Cisco IOS The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system. | 10.0 |
| 2017-08-07 | CVE-2017-6770 | Improper Input Validation vulnerability in Cisco products Cisco IOS 12.0 through 15.6, Adaptive Security Appliance (ASA) Software 7.0.1 through 9.7.1.2, NX-OS 4.0 through 12.0, and IOS XE 3.6 through 3.18 are affected by a vulnerability involving the Open Shortest Path First (OSPF) Routing Protocol Link State Advertisement (LSA) database. | 4.2 |
| 2017-07-17 | CVE-2017-6736 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Cisco IOS The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 2.2 through 3.17 contains multiple vulnerabilities that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload. | 9.0 |
| 2016-10-05 | CVE-2016-6380 | Improper Input Validation vulnerability in Cisco IOS 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. | 8.3 |
| 2016-10-05 | CVE-2016-6384 | Improper Input Validation vulnerability in Cisco IOS XE Cisco IOS 12.2 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.17 and 16.2 allow remote attackers to cause a denial of service (device reload) via crafted fields in an H.323 message, aka Bug ID CSCux04257. | 7.8 |