CVE-2021-1508
9.8 · CRITICALOverview
CVE-2021-1508 is a critical-severity vulnerability affecting cisco catalyst_sd-wan_manager. It was published on May 6, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Multiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute arbitrary code or gain access to sensitive information, or allow an authenticated, local attacker to gain escalated privileges or gain unauthorized access to the application. For more information about these vulnerabilities, see the Details section of this advisory.
Remediation
Check the references section for vendor advisories and patches from cisco. Update catalyst_sd-wan_manager 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 | catalyst_sd-wan_manager | >= 20.4, < 20.4.1 | Affected |
| cisco | sd-wan_vmanage | >= 0, < 19.2.99 | Affected |
Frequently Asked Questions
What is CVE-2021-1508?
CVE-2021-1508 is a critical-severity vulnerability affecting cisco catalyst_sd-wan_manager. It was published on May 6, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-1508?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-1508?
Check the references section for vendor advisories and patches from cisco. Update catalyst_sd-wan_manager 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-2021-1508?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-1508 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.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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