CVE-2020-7593

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.01), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.02). A buffer overflow vulnerability exists in the Web Server functionality of the device. A remote unauthenticated attacker could send a specially crafted HTTP request to cause a memory corruption, potentially resulting in remote code execution.

Affected

Siemens AG · LOGO! 8 BM (incl. SIPLUS variants)

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

8.72% chance of exploitation in the next 30 days, 95th percentile

Published

2020-07-14

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1069

Security advisories

• https://cert-portal.siemens.com/productcert/pdf/ssa-573753.pdf

References

• CVE Record
• NVD entry