Vulnerability in Cisco Asr 5000
CVE-2023-20046
A vulnerability in the key-based SSH authentication feature of Cisco StarOS Software could allow an authenticated, remote attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied credentials. An attacker could exploit this vulnerability by sending a valid low-privileged SSH key to an affected device from a host that has an IP address that is configured as the source for a high-privileged user account. A successful exploit could allow the attacker to log in to the affected device through SSH as a high-privileged user. There are workarounds that address this vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Cisco Asr 5000
- Cisco Asr 5500
- Cisco Asr 5700
- Cisco Asr 5000 Series Software — versions 21.11.0, 21.11.1, 21.11.2
- Cisco Ultra Cloud Core - User Plane Function
- Cisco Staros — versions 21.23.n, 21.24, 21.27.m
- Cisco Vpc-Di
- Cisco Vpc-Si
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-20046?
- CVE-2023-20046 is a high-severity vulnerability in Cisco Asr 5000, classified under CWE-289. CVSS score: 8.8/10. Published 2023-05-09.
- How severe is CVE-2023-20046?
- High severity. CVSS v3 base score is 8.8 out of 10.