ICSA-21-287-05: Siemens SINEC NMS
CISA advisory · released 2021-10-12
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2025-05-06 (final)
CISA's summary
Summary: The latest update for SINEC NMS fixes multiple vulnerabilities. The most severe could allow an authenticated remote attacker to execute arbitrary code on the system, with system privileges, under certain conditions. Siemens has released an update for SINEC NMS and recommends to update to the latest version.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SINEC NMS | <V1.0_SP2_Update_1 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2021-33722 — CVE-2021-33722 · CWE-22
The affected system has a Path Traversal vulnerability when exporting a firmware container. With this a privileged authenticated attacker could create arbitrary files on an affected system.
- CVE-2021-33723 — CVE-2021-33723 · CWE-285
An authenticated attacker could change the user profile of any user without proper authorization. With this, the attacker could change the password of any user in the affected system.
- CVE-2021-33724 — CVE-2021-33724 · CWE-22
The affected system contains an Arbitrary File Deletion vulnerability that possibly allows to delete an arbitrary file or directory under a user controlled path.
- CVE-2021-33725 — CVE-2021-33725 · CWE-22
The affected system allows to delete arbitrary files or directories under a user controlled path and does not correctly check if the relative path is still within the intended target directory.
- CVE-2021-33726 — CVE-2021-33726 · CWE-22
The affected system allows to download arbitrary files under a user controlled path and does not correctly check if the relative path is still within the intended target directory.
- CVE-2021-33727 — CVE-2021-33727 · CWE-200
An authenticated attacker could download the user profile of any user. With this, the attacker could leak confidential information of any user in the affected system.
- CVE-2021-33728 — CVE-2021-33728 · CWE-502
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.
- CVE-2021-33729 — CVE-2021-33729 · CWE-89
An authenticated attacker that is able to import firmware containers to an affected system could execute arbitrary commands in the local database.
- CVE-2021-33730 — CVE-2021-33730 · CWE-89
A privileged authenticated attacker could execute arbitrary commands in the local database by sending crafted requests to the webserver of the affected application.
- CVE-2021-33731 — CVE-2021-33731 · CWE-89
A privileged authenticated attacker could execute arbitrary commands in the local database by sending crafted requests to the webserver of the affected application.
- CVE-2021-33732 — CVE-2021-33732 · CWE-89
A privileged authenticated attacker could execute arbitrary commands in the local database by sending crafted requests to the webserver of the affected application.
- CVE-2021-33733 — CVE-2021-33733 · CWE-89
A privileged authenticated attacker could execute arbitrary commands in the local database by sending crafted requests to the webserver of the affected application.
- CVE-2021-33734 — CVE-2021-33734 · CWE-89
A privileged authenticated attacker could execute arbitrary commands in the local database by sending crafted requests to the webserver of the affected application.
- CVE-2021-33735 — CVE-2021-33735 · CWE-89
A privileged authenticated attacker could execute arbitrary commands in the local database by sending crafted requests to the webserver of the affected application.
- CVE-2021-33736 — CVE-2021-33736 · CWE-89
A privileged authenticated attacker could execute arbitrary commands in the local database by sending crafted requests to the webserver of the affected application.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting this vulnerability to CISA.
- Noam Moshe, Claroty: coordinated disclosure
The advisory's legal notice
Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter "License Terms"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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