CVE-2021-37201 json
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP1).
published 2021-09-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23775
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP1). The web interface of affected devices is vulnerable to a Cross-Site Request Forgery (CSRF) attack. This could allow an attacker to manipulate the SINEC NMS configuration by tricking an unsuspecting user with administrative privileges to click on a malicious link.
Patch / fix
- siemens sinec_network_management_system 1.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-257-14 updated cvss 8.8
Siemens SINEC NMS
-
Siemens SINEC NMS <V1.0_SP1affected: fixed in V1.0, workaround support.industry.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Siemens SINEC NMS
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
cert-portal.siemens.com
/productcert/pdf/ssa-330339.pdf
patch, vendor-advisory
Sources
- CVE List CVE-2021-37201
- NVD CVE-2021-37201
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