CVE-2017-12234
Cisco IOS software: Common Industrial Protocol Request Denial-of-Service
As of , CVE-2017-12234 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
- 0.07Higher than 94% 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
There is a vulnerability in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service.
CISA's description
Multiple vulnerabilities in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerabilities are due to the improper parsing of crafted CIP packets destined to an affected device. An attacker could exploit these vulnerabilities by sending crafted CIP packets to be processed by 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: CSCvc43709.
The CVE record's description, from cisco
- CVE published
- 28 September 2017
- Assigned by
- cisco
- CVSS
- 7.5 High (CVSS 3.1, from CISA-ADP)
- CWE-20
- Improper Input Validation
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- 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-2017-12235for 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 | ||
| CVE-2017-12232for Cisco Integrated Services Routers Denial-of-Service | Cisco IOS software | Patch soon | 0.02 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org