CVE-2023-20046: High severity cisco staros major vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-20046?
CVE-2023-20046 is a vulnerability in the key-based SSH authentication feature of Cisco StarOS Software that allows an authenticated, remote attacker to elevate privileges on an affected device.
How does CVE-2023-20046 occur?
CVE-2023-20046 occurs due to insufficient validation of user-supplied credentials in the key-based SSH authentication feature of Cisco StarOS Software.
What is the severity of CVE-2023-20046?
CVE-2023-20046 has a severity rating of 8.8, which is considered high.
Which software is affected by CVE-2023-20046?
Cisco StarOS Software versions 21.22.14 up to 21.28.3 are affected by CVE-2023-20046.
How can I find more information about CVE-2023-20046?
For more information about CVE-2023-20046, you can refer to the following references: [GitHub Advisory](https://github.com/orangecertcc/security-research/security/advisories/GHSA-j7p3-gjw6-pp4r) and [Cisco Security Advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-staros-ssh-privesc-BmWeJC3h).