Vulnerability in Cisco 1100-4g Integrated Services Router
CVE-2021-34723
A vulnerability in a specific CLI command that is run on Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the configuration database of an affected device. This vulnerability is due to insufficient validation of specific CLI command parameters. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of the configuration database and gain root-level access to an affected device.
EPSS: 0.002 (15.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco 1100-4g_integrated_services_router
- Cisco 1100-4gltegb_integrated_services_router
- Cisco 1100-4gltena_integrated_services_router
- Cisco 1100-6g_integrated_services_router
- Cisco 1100_integrated_services_router
- Cisco 1100-lte_integrated_services_router
- Cisco 4321_integrated_services_router
- Cisco 4331_integrated_services_router
- Cisco 4351_integrated_services_router
- Cisco 4431_integrated_services_router
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-34723?
- CVE-2021-34723 is a medium-severity vulnerability in Cisco 1100-4g Integrated Services Router, classified under Exposure of Resource to Wrong Sphere. CVSS score: 6.7/10. Published 2021-09-23.
- How severe is CVE-2021-34723?
- Medium severity. CVSS v3 base score is 6.7 out of 10.