CVE-2017-12240 — Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability
CVE-2017-12240: Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Cisco |
| Product | IOS and IOS XE Software |
| Date added | 2022-03-03 |
| Due date | 2022-03-24 |
| Ransomware campaign use | Unknown |
Description
The Dynamic Host Configuration Protocol (DHCP) relay subsystem of Cisco IOS 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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-12240
Weakness behind it
CISA records this vulnerability as an instance of CWE-20. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-12240
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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