Vulnerability in Cisco 1000 Integrated Services Router
CVE-2022-20919
A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation during processing of CIP packets. An attacker could exploit this vulnerability by sending a malformed CIP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition.
EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco 1000_integrated_services_router
- Cisco 1100-4g_integrated_services_router
- Cisco 1100-4p_integrated_services_router
- Cisco 1100-6g_integrated_services_router
- Cisco 1100-8p_integrated_services_router
- Cisco 1100_integrated_services_router
- Cisco 1101-4p_integrated_services_router
- Cisco 1101_integrated_services_router
- Cisco 1109-2p_integrated_services_router
- Cisco 1109-4p_integrated_services_router
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-20919?
- CVE-2022-20919 is a high-severity vulnerability in Cisco 1000 Integrated Services Router, classified under CWE-248. CVSS score: 8.6/10. Published 2022-09-30.
- How severe is CVE-2022-20919?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2022-20919 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.