CVE-2020-25237

moderate-risk
Published 2021-02-09

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)

Do I need to act?

~
1.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / LOW complexity

Affected Products (8)

Sinec Network Management System
Sinec Network Management System
Sinec Network Management System

Affected Vendors

Siemens

References (6)

Vendor Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-156833.pdf
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-040-03
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-253/
Vendor Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-156833.pdf
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-040-03
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-253/
47
/ 100
moderate-risk
Severity 28/34 · Critical
Exploitability 5/34 · Minimal
Exposure 14/34 · Moderate