CVE-2021-33721: siemens sinec_network_management_system OS Command Injection
Vulnerability summary
CVE-2021-33721 is a high (CVSS 9.0) OS Command Injection vulnerability in siemens sinec_network_management_system. EPSS estimates a 2.67% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities.
Timeline
- 10-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2). The affected application incorrectly neutralizes special elements when creating batch operations which could lead to command injection. An authenticated remote attacker with administrative privileges could exploit this vulnerability to execute arbitrary code on the system with system privileges.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.67%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.67% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Siemens2 products
- sinec_network_management_system< 1.0 | 1.0 | 1.0:sp1
- sinec nmsAll versions < V1.0 SP2
1 vendor · 2 products