Vulnerability identifier: #VU62338
Vulnerability risk: Medium
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco IOS XE
Operating systems & Components /
Operating system
Cisco 1000 Series Integrated Services Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
4221 Integrated Services Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
4321 Integrated Services Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
4331 Integrated Services Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
4351 Integrated Services Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Catalyst 8200 Series Edge Platforms
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Catalyst 8300 Series Edge Platforms
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the IPSec decryption routine. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco IOS XE: All versions
Cisco 1000 Series Integrated Services Routers: All versions
4221 Integrated Services Routers: All versions
4321 Integrated Services Routers: All versions
4331 Integrated Services Routers: All versions
4351 Integrated Services Routers: All versions
Catalyst 8200 Series Edge Platforms: All versions
Catalyst 8300 Series Edge Platforms: All versions
External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qfp-ipsec-GQmqvtqV
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.