ICS/OT CYBERSECURITY
Mentions the CVE; no further detail.
CVE-2020-15782 Critical · 9.8 EPSS 5.2%
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open…
Siemens · SIMATIC Drive Controller family
Summary
A memory protection bypass in Siemens SIMATIC Drive Controller family, SIMATIC ET 200SP Open Controller, SIMATIC S7-1200 and S7-1500 CPU families, S7-1500 Software Controller, S7-PLCSIM Advanced, SINAMICS PERFECT HARMONY GH180 Drives, and SINUMERIK MC and ONE, stemming from improper restriction of operations within the bounds of a memory buffer. A remote attacker with network access to port 102/tcp, requiring no authentication or user interaction, could write arbitrary data and code to protected memory areas or read sensitive data.
Official description · CVE.org
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SINAMICS PERFECT HARMONY GH180 Drives (Drives manufactured before 2021-08-13), SINUMERIK MC (All versions < V6.15), SINUMERIK ONE (All versions < V6.15). Affected devices are vulnerable to a memory protection bypass through a specific operation. A remote unauthenticated attacker with network access to port 102/tcp could potentially write arbitrary data and code to protected memory areas or read sensitive data to launch further attacks.
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
29.2 / 100
- Exploited
- Not confirmed
- Reports
- 1
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
Disclosed on 28 May 2021. No public exploit code or confirmed exploitation is recorded.
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.
What security researchers reported
Named in 1 threat report1 reportDragos
Reports are matched by finding the exact id CVE-2020-15782 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.