# CVE-2017-12232

A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.

- Page: https://www.vulneraibility.com/cve/CVE-2017-12232
- CVSS: 6.5
- Known exploited: yes, in CISA KEV since 2022-03-03; CISA due date 2022-03-24
- EPSS: 2.15% (percentile 82.4)
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2024-11-08)
- Weakness: CWE-399
- Published: 2017-09-29

## Affected versions

- Cisco IOS: affected Cisco IOS

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-rbip-dos
- [other] http://www.securitytracker.com/id/1039452
- [other] http://www.securityfocus.com/bid/101044
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-12232

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.