THREATPORT/VULNERABILITY/CVE-2021-37200
HIGH SEVERITY

CVE-2021-37200

Sinec Network Management System vulnerability

CVSS
7.7
EPSS
37.4%
EPSS pct
98th
Exploited
No known
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP1). An attacker with access to the webserver of an affected system could download arbitrary files from the underlying filesystem by sending a specially crafted HTTP request.
Affected vendor
Siemens
Affected product
Sinec Network Management System
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness type (CWE)
Published
2021-09-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 37.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2021-37200

  • Confirm whether Siemens Sinec Network Management System is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-37200.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-37200

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-37200 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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