6.5
Medium
Exploited
CVE-2017-12232 Cisco IOS Software for Cisco Integrated Services Routers Denial-of-Service Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-399
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS | Versions not published |
References
- tools.cisco.com tools.cisco.com
- 1039452 www.securitytracker.com
- 101044 www.securityfocus.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of Cisco IOS
The 15 CVEs of Cisco IOS →
CVE-2018-0163
A vulnerability in the 802.1x multiple-authentication (multi-auth) feature of Cisco IOS Software could allow an…
Not rated
CVE-2018-0179
Cisco IOS Software Denial-of-Service Vulnerability
6.8
Medium
CVE-2018-0161
Cisco IOS Software Resource Management Errors Vulnerability
6.3
Medium
CVE-2018-0180
Cisco IOS Software Denial-of-Service Vulnerability
6.8
Medium