# CVE-2017-12240: A Cisco IOS and IOS XE Software bug is being used in attacks

Status: Being used now (CISA KEV, added 2022-03-03)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Cisco IOS and IOS XE Software (CVE-2017-12240) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2017-12240. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official 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.

## Sources
- https://nvd.nist.gov/vuln/detail/CVE-2017-12240
- https://nvd.nist.gov/vuln/detail/CVE-2017-12240

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.