CVE-2021-33728

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.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.49%
Vendor Advisory siemens.com
Affected: Siemens SINEC NMS
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-33728?
CVE-2021-33728 has been scored as a high severity vulnerability.
How to fix CVE-2021-33728?
To fix CVE-2021-33728, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33728 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33728 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33728?
CVE-2021-33728 affects Siemens SINEC NMS.
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