CVE-2021-29462
7.6 · HIGHOverview
CVE-2021-29462 is a high-severity vulnerability affecting pupnp_project pupnp. It was published on April 20, 2021 and has a CVSS 3.1 base score of 7.6 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
The Portable SDK for UPnP Devices is an SDK for development of UPnP device and control point applications. The server part of pupnp (libupnp) appears to be vulnerable to DNS rebinding attacks because it does not check the value of the `Host` header. This can be mitigated by using DNS revolvers which block DNS-rebinding attacks. The vulnerability is fixed in version 1.14.6 and later.
Remediation
Check the references section for vendor advisories and patches from pupnp_project. Update pupnp 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 |
|---|---|---|---|
| pupnp_project | pupnp | >= 0, < 1.14.6 | Affected |
Frequently Asked Questions
What is CVE-2021-29462?
CVE-2021-29462 is a high-severity vulnerability affecting pupnp_project pupnp. It was published on April 20, 2021 and has a CVSS 3.1 base score of 7.6 (HIGH).
How severe is CVE-2021-29462?
This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-29462?
Check the references section for vendor advisories and patches from pupnp_project. Update pupnp 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-2021-29462?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-29462 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
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