Path Traversal in Siemens Sinec Network Management System
CVE-2020-25237
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)
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.206 (97.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.206 · newest: 0.206 · change: 0.000
Affected products
- Siemens Sinec Network Management System — versions 1.0
- Siemens Sinec Nms — versions All versions < V1.0 SP1 Update 1
- Siemens Sinema Server — versions All versions < V14.0 SP2 Update 2
- Siemens Sinema Server — versions 14.0
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-156833.pdf (Vendor Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-21-040-03 (US Government Resource, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-253/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25237?
- CVE-2020-25237 is a high-severity vulnerability in Siemens Sinec Network Management System, classified under Path Traversal. CVSS score: 8.1/10. Published 2021-02-09.
- How severe is CVE-2020-25237?
- High severity. CVSS v3 base score is 8.1 out of 10.