CVE-2017-12232KEVin critical feed
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15…
Published 9 y ago · modified 4 mo ago · JSON
Summary
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.
Known exploited (CISA KEV)
- Added
- 4 y ago
- Due date
- 2022-03-24 (4 y ago)
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Vendor / product
- Cisco / IOS software
- CISA name
- Cisco IOS Software for Cisco Integrated Services Routers Denial-of-Service Vulnerability
CISA SSVC assessment
- Exploitation
- Active — exploited in the wild
- Automatable
- no
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction (EPSS)
2.15% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 6.1 | AV:A/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- n/a Cisco IOS
Classification
- Weakness
- CWE-399 Resource Management Errors
- Technology feeds
- Cisco IOS (RSS, critical only)
References
- tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-rbip-dos · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id/1039452 · vdb-entry, x_refsource_SECTRACK, x_transferred
- securityfocus.com /bid/101044 · vdb-entry, x_refsource_BID, x_transferred
- cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-12232 · government-resource
Sources
- CVE List: CVE-2017-12232
- NVD: CVE-2017-12232
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