THREATPORT/VULNERABILITY/CVE-2020-25237
HIGH SEVERITY

CVE-2020-25237

Sinec Network Management System vulnerability

CVSS
8.1
EPSS
20.6%
EPSS pct
97th
Exploited
No known
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP1 Update 1), SINEMA Server (All versions < V14.0 SP2 Update 2). When uploading files to an affected system using a zip container, the system does not correctly check if the relative file path of the extracted files is still within the intended target directory. With this an attacker could create or overwrite arbitrary files on an affected system. This type of vulnerability is also known as 'Zip-Slip'. (ZDI-CAN-12054)
Affected vendor
Siemens
Affected product
Sinec Network Management System
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness type (CWE)
Published
2021-02-09

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 integrity, high impact to availability.

Its EPSS score of 20.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2020-25237

  • 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-2020-25237.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-25237

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-25237 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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