Auth bypass in Cisco 4321\/k9 Integrated Services Router
CVE-2019-12671
A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell access on an affected device and execute commands on the underlying operating system (OS). The vulnerability is due to insufficient enforcement of the consent token in authorizing shell access. An attacker could exploit this vulnerability by authenticating to the CLI and requesting shell access on an affected device. A successful exploit could allow the attacker to gain shell access on the affected device and execute commands on the underlying OS.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cisco 4321\/k9 Integrated Services Router
- Cisco 4321\/k9-Rf Integrated Services Router
- Cisco 4321\/k9-Ws Integrated Services Router
- Cisco 4331\/k9 Integrated Services Router
- Cisco 4331\/k9-Rf Integrated Services Router
- Cisco 4331\/k9-Ws Integrated Services Router
- Cisco 4351\/k9 Integrated Services Router
- Cisco 4351\/k9-Rf Integrated Services Router
- Cisco 4351\/k9-Ws Integrated Services Router
- Cisco Asr1001-Hx
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-12671?
- CVE-2019-12671 is a high-severity vulnerability in Cisco 4321\/k9 Integrated Services Router, classified under Improper Authorization. CVSS score: 7.8/10. Published 2019-09-25.
- How severe is CVE-2019-12671?
- High severity. CVSS v3 base score is 7.8 out of 10.