CVE-2017-12232
Cisco IOS software: for Cisco Integrated Services Routers Denial-of-Service
As of , CVE-2017-12232 in Cisco IOS software is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 3 March 2022
- US federal deadline
- 24 March 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.02Higher than 81% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.01 on 3 March 2022EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service.
CISA's 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.
The CVE record's description, from cisco
- CVE published
- 28 September 2017
- Assigned by
- cisco
- CVSS
- 6.5 Medium (CVSS 3.1, from CISA-ADP)
- CWE-399
- Resource Management Errors
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- partial
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
IOS software: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2017-6744SNMP Remote Code Execution | Cisco IOS software | Patch soon | 0.07 | ||
| CVE-2017-12231Network Address Translation Denial-of-Service | Cisco IOS software | Patch soon | 0.07 | ||
| CVE-2017-12233Common Industrial Protocol Request Denial-of-Service | Cisco IOS software | Patch soon | 0.07 | ||
| CVE-2017-12234Common Industrial Protocol Request Denial-of-Service | Cisco IOS software | Patch soon | 0.07 | ||
| CVE-2017-12235for Cisco Industrial Ethernet Switches PROFINET Denial-of-Service | Cisco IOS software | Patch soon | 0.07 | ||
| CVE-2018-0154Integrated Services Module for VPN Denial-of-Service | Cisco IOS Software | Patch soon | 0.07 | ||
| CVE-2018-0179Denial-of-Service | Cisco IOS Software | Patch soon | 0.05 | ||
| CVE-2018-0180Denial-of-Service | Cisco IOS Software | Patch soon | 0.05 | ||
| CVE-2018-0161Resource Management Errors | Cisco IOS Software | Patch soon | 0.04 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org