CVE-2021-33728
7.2 · HIGHOverview
CVE-2021-33728 is a high-severity vulnerability affecting siemens sinec_nms. It was published on October 12, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system allows to upload JSON objects that are deserialized to JAVA objects. Due to insecure deserialization of user-supplied content by the affected software, a privileged attacker could exploit this vulnerability by sending a crafted serialized Java object. An exploit could allow the attacker to execute arbitrary code on the device with root privileges.
Remediation
Check the references section for vendor advisories and patches from siemens. Update sinec_nms 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 |
|---|---|---|---|
| siemens | sinec_nms | >= 0, < 1.0 | Affected |
Frequently Asked Questions
What is CVE-2021-33728?
CVE-2021-33728 is a high-severity vulnerability affecting siemens sinec_nms. It was published on October 12, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).
How severe is CVE-2021-33728?
This vulnerability has a CVSS 3.1 base score of 7.2, 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-2021-33728?
Check the references section for vendor advisories and patches from siemens. Update sinec_nms 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-2021-33728?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-33728 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.
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