CVE-2023-20034
7.5 · HIGHOverview
CVE-2023-20034 is a high-severity vulnerability affecting cisco sd-wan. It was published on September 27, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Vulnerability in the Elasticsearch database used in the of Cisco SD-WAN vManage software could allow an unauthenticated, remote attacker to access the Elasticsearch configuration database of an affected device with the privileges of the elasticsearch user.
These vulnerability is due to the presence of a static username and password configured on the vManage. An attacker could exploit this vulnerability by sending a crafted HTTP request to a reachable vManage on port 9200. A successful exploit could allow the attacker to view the Elasticsearch database content.
There are workarounds that address this vulnerability.
Remediation
Check the references section for vendor advisories and patches from cisco. Update sd-wan to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | sd-wan | >= 20.3, < 20.3.4 | Affected |
Frequently Asked Questions
What is CVE-2023-20034?
CVE-2023-20034 is a high-severity vulnerability affecting cisco sd-wan. It was published on September 27, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2023-20034?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-20034?
Check the references section for vendor advisories and patches from cisco. Update sd-wan to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-20034?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-20034 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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