Vulnerability Details : CVE-2021-33728
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.
Vulnerability category: Execute code
Products affected by CVE-2021-33728
- cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_nms:1.0:-:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_nms:1.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_nms:1.0:sp2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33728
0.49%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33728
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2021-33728
-
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.Assigned by: productcert@siemens.com (Primary)
References for CVE-2021-33728
-
https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf
Patch;Vendor Advisory
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