4.3
CVSSv3

CVE-2023-20275

Published: 12/12/2023 Updated: 25/01/2024
CVSS v3 Base Score: 4.3 | Impact Score: 1.4 | Exploitability Score: 2.8
VMScore: 0

Vulnerability Summary

A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote malicious user to send packets with another VPN user's source IP address. This vulnerability is due to improper validation of the packet's inner source IP address after decryption. An attacker could exploit this vulnerability by sending crafted packets through the tunnel. A successful exploit could allow the malicious user to send a packet impersonating another VPN user's IP address. It is not possible for the malicious user to receive return packets.

Vulnerable Product Search on Vulmon Subscribe to Product

cisco adaptive security appliance software 9.16.1

cisco adaptive security appliance software 9.8.2

cisco adaptive security appliance software 9.8.3.18

cisco adaptive security appliance software 9.8.3.26

cisco adaptive security appliance software 9.12.2

cisco adaptive security appliance software 9.8.2.24

cisco adaptive security appliance software 9.8.3.16

cisco adaptive security appliance software 9.8.4.29

cisco adaptive security appliance software 9.12.2.5

cisco adaptive security appliance software 9.12.4.4

cisco adaptive security appliance software 9.8.2.20

cisco adaptive security appliance software 9.8.4

cisco adaptive security appliance software 9.8.4.26

cisco adaptive security appliance software 9.14.1.30

cisco adaptive security appliance software 9.14.1.15

cisco adaptive security appliance software 9.8.2.26

cisco adaptive security appliance software 9.8.2.28

cisco adaptive security appliance software 9.8.2.33

cisco adaptive security appliance software 9.8.2.35

cisco adaptive security appliance software 9.8.2.38

cisco adaptive security appliance software 9.8.4.8

cisco adaptive security appliance software 9.8.4.10

cisco adaptive security appliance software 9.8.4.12

cisco adaptive security appliance software 9.8.4.15

cisco adaptive security appliance software 9.8.4.45

cisco adaptive security appliance software 9.12.3.2

cisco adaptive security appliance software 9.12.3.7

cisco adaptive security appliance software 9.12.4

cisco adaptive security appliance software 9.12.3.12

cisco adaptive security appliance software 9.12.4.37

cisco adaptive security appliance software 9.12.4.38

cisco adaptive security appliance software 9.12.4.39

cisco adaptive security appliance software 9.14.2

cisco adaptive security appliance software 9.14.2.4

cisco adaptive security appliance software 9.14.2.8

cisco adaptive security appliance software 9.14.2.13

cisco adaptive security appliance software 9.14.2.15

cisco adaptive security appliance software 9.15.1.15

cisco adaptive security appliance software 9.15.1.16

cisco adaptive security appliance software 9.15.1.17

cisco adaptive security appliance software 9.15.1.1

cisco adaptive security appliance software 9.8.4.25

cisco adaptive security appliance software 9.17.1

cisco adaptive security appliance software 9.8.1

cisco adaptive security appliance software 9.8.2.17

cisco adaptive security appliance software 9.8.3.11

cisco adaptive security appliance software 9.8.3.29

cisco adaptive security appliance software 9.8.4.3

cisco adaptive security appliance software 9.8.4.20

cisco adaptive security appliance software 9.8.4.41

cisco adaptive security appliance software 9.8.4.44

cisco adaptive security appliance software 9.12.3

cisco adaptive security appliance software 9.12.3.9

cisco adaptive security appliance software 9.12.4.26

cisco adaptive security appliance software 9.12.4.30

cisco adaptive security appliance software 9.14.1.10

cisco adaptive security appliance software 9.14.1.19

cisco adaptive security appliance software 9.14.3

cisco adaptive security appliance software 9.14.3.9

cisco adaptive security appliance software 9.15.1

cisco adaptive security appliance software 9.15.1.10

cisco adaptive security appliance software 9.15.1.21

cisco adaptive security appliance software 9.16.1.28

cisco adaptive security appliance software 9.17.1.7

cisco adaptive security appliance software 9.16.3.14

cisco adaptive security appliance software 9.16.4

cisco adaptive security appliance software 9.18.2.5

cisco adaptive security appliance software 9.17.1.10

cisco adaptive security appliance software 9.17.1.13

cisco adaptive security appliance software 9.18.1

cisco adaptive security appliance software 9.18.1.3

cisco adaptive security appliance software 9.8.1.7

cisco adaptive security appliance software 9.8.2.8

cisco adaptive security appliance software 9.8.2.14

cisco adaptive security appliance software 9.8.3.21

cisco adaptive security appliance software 9.8.3

cisco adaptive security appliance software 9.8.4.32

cisco adaptive security appliance software 9.8.4.33

cisco adaptive security appliance software 9.8.4.34

cisco adaptive security appliance software 9.8.4.35

cisco adaptive security appliance software 9.8.4.39

cisco adaptive security appliance software 9.12.1

cisco adaptive security appliance software 9.12.1.2

cisco adaptive security appliance software 9.12.1.3

cisco adaptive security appliance software 9.12.4.10

cisco adaptive security appliance software 9.12.4.13

cisco adaptive security appliance software 9.12.4.8

cisco adaptive security appliance software 9.12.4.18

cisco adaptive security appliance software 9.14.1

cisco adaptive security appliance software 9.14.3.13

cisco adaptive security appliance software 9.14.3.18

cisco adaptive security appliance software 9.14.3.15

cisco adaptive security appliance software 9.14.4

cisco adaptive security appliance software 9.16.2.3

cisco adaptive security appliance software 9.16.2.7

cisco adaptive security appliance software 9.16.2.11

cisco adaptive security appliance software 9.16.2.13

cisco adaptive security appliance software 9.16.2.14

cisco adaptive security appliance software 9.14.4.7

cisco adaptive security appliance software 9.14.4.12

cisco adaptive security appliance software 9.17.1.11

cisco adaptive security appliance software 9.17.1.15

cisco adaptive security appliance software 9.8.4.22

cisco adaptive security appliance software 9.12.4.2

cisco adaptive security appliance software 9.17.1.9

cisco adaptive security appliance software 9.8.1.5

cisco adaptive security appliance software 9.8.2.15

cisco adaptive security appliance software 9.8.3.8

cisco adaptive security appliance software 9.8.3.14

cisco adaptive security appliance software 9.8.4.7

cisco adaptive security appliance software 9.8.4.17

cisco adaptive security appliance software 9.8.4.40

cisco adaptive security appliance software 9.8.4.43

cisco adaptive security appliance software 9.12.2.4

cisco adaptive security appliance software 9.12.2.9

cisco adaptive security appliance software 9.12.2.1

cisco adaptive security appliance software 9.12.4.7

cisco adaptive security appliance software 9.12.4.24

cisco adaptive security appliance software 9.12.4.29

cisco adaptive security appliance software 9.12.4.35

cisco adaptive security appliance software 9.14.1.6

cisco adaptive security appliance software 9.14.3.1

cisco adaptive security appliance software 9.14.3.11

cisco adaptive security appliance software 9.14.4.6

cisco adaptive security appliance software 9.15.1.7

cisco adaptive security appliance software 9.16.2

cisco adaptive security appliance software 9.16.3.3

cisco adaptive security appliance software 9.16.3

cisco adaptive security appliance software 9.18.2

cisco adaptive security appliance software 9.8.4.48

cisco adaptive security appliance software 9.8.4.46

cisco adaptive security appliance software 9.19.1.9

cisco adaptive security appliance software 9.19.1.5

cisco adaptive security appliance software 9.19.1.12

cisco adaptive security appliance software 9.19.1

cisco adaptive security appliance software 9.18.3.46

cisco adaptive security appliance software 9.18.3.39

cisco adaptive security appliance software 9.18.3

cisco adaptive security appliance software 9.18.2.8

cisco adaptive security appliance software 9.18.2.7

cisco adaptive security appliance software 9.17.1.30

cisco adaptive security appliance software 9.17.1.20

cisco adaptive security appliance software 9.16.4.9

cisco adaptive security appliance software 9.16.4.27

cisco adaptive security appliance software 9.16.4.19

cisco adaptive security appliance software 9.16.4.18

cisco adaptive security appliance software 9.16.4.14

cisco adaptive security appliance software 9.16.3.23

cisco adaptive security appliance software 9.16.3.19

cisco adaptive security appliance software 9.16.3.15

cisco adaptive security appliance software 9.14.4.23

cisco adaptive security appliance software 9.14.4.22

cisco adaptive security appliance software 9.14.4.17

cisco adaptive security appliance software 9.14.4.15

cisco adaptive security appliance software 9.14.4.14

cisco adaptive security appliance software 9.14.4.13

cisco adaptive security appliance software 9.12.4.58

cisco adaptive security appliance software 9.12.4.56

cisco adaptive security appliance software 9.12.4.55

cisco adaptive security appliance software 9.12.4.54

cisco adaptive security appliance software 9.12.4.52

cisco adaptive security appliance software 9.12.4.50

cisco adaptive security appliance software 9.12.4.48

cisco adaptive security appliance software 9.12.4.47

cisco adaptive security appliance software 9.12.4.41

cisco adaptive security appliance software 9.12.4.40

cisco firepower threat defense 6.2.3

cisco firepower threat defense 6.2.3.1

cisco firepower threat defense 6.4.0

cisco firepower threat defense 6.2.3.13

cisco firepower threat defense 6.2.3.14

cisco firepower threat defense 6.2.3.15

cisco firepower threat defense 6.2.3.12

cisco firepower threat defense 6.6.0.1

cisco firepower threat defense 6.6.0

cisco firepower threat defense 7.1.0

cisco firepower threat defense 7.0.0

cisco firepower threat defense 6.7.0

cisco firepower threat defense 7.2.0.1

cisco firepower threat defense 7.0.1

cisco firepower threat defense 7.0.0.1

cisco firepower threat defense 7.0.1.1

cisco firepower threat defense 7.0.2

cisco firepower threat defense 7.0.2.1

cisco firepower threat defense 7.0.3

cisco firepower threat defense 7.0.4

cisco firepower threat defense 6.6.1

cisco firepower threat defense 6.6.3

cisco firepower threat defense 6.6.4

cisco firepower threat defense 6.6.5

cisco firepower threat defense 6.6.5.1

cisco firepower threat defense 6.6.5.2

cisco firepower threat defense 7.1.0.1

cisco firepower threat defense 7.1.0.2

cisco firepower threat defense 7.2.0

cisco firepower threat defense 6.2.3.2

cisco firepower threat defense 6.2.3.3

cisco firepower threat defense 6.2.3.4

cisco firepower threat defense 6.2.3.5

cisco firepower threat defense 6.2.3.6

cisco firepower threat defense 6.2.3.7

cisco firepower threat defense 6.2.3.8

cisco firepower threat defense 6.2.3.10

cisco firepower threat defense 6.2.3.11

cisco firepower threat defense 6.2.3.9

cisco firepower threat defense 6.2.3.16

cisco firepower threat defense 6.2.3.17

cisco firepower threat defense 6.2.3.18

cisco firepower threat defense 6.4.0.1

cisco firepower threat defense 6.4.0.3

cisco firepower threat defense 6.4.0.2

cisco firepower threat defense 6.4.0.4

cisco firepower threat defense 6.4.0.5

cisco firepower threat defense 6.4.0.6

cisco firepower threat defense 6.4.0.7

cisco firepower threat defense 6.4.0.8

cisco firepower threat defense 6.4.0.9

cisco firepower threat defense 6.4.0.10

cisco firepower threat defense 6.4.0.11

cisco firepower threat defense 6.4.0.12

cisco firepower threat defense 6.4.0.13

cisco firepower threat defense 6.4.0.14

cisco firepower threat defense 6.7.0.1

cisco firepower threat defense 6.7.0.2

cisco firepower threat defense 6.7.0.3

cisco firepower threat defense 6.6.7

cisco firepower threat defense 7.2.1

cisco firepower threat defense 7.2.2

cisco firepower threat defense 7.2.3

cisco firepower threat defense 7.3.1.1

cisco firepower threat defense 7.3.1

cisco firepower threat defense 7.3.0

cisco firepower threat defense 7.2.4

cisco firepower threat defense 7.1.0.3

cisco firepower threat defense 7.0.6

cisco firepower threat defense 7.0.5

cisco firepower threat defense 6.6.7.1

cisco firepower threat defense 6.4.0.16

cisco firepower threat defense 6.4.0.15

Vendor Advisories

A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to send packets with another VPN user's source IP address This vulnerability is due to improper validation of the packet's inner source IP address afte ...