Main Vulnerability Database Vulnerabilities #VU48364

Resource exhaustion in SIMATIC S7-300 and SINUMERIK 840D sl - CVE-2020-15783

Published: November 11, 2020

Vulnerability identifier: #VU48364

CSH Severity: Medium

CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-15783

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Affected software

SIMATIC S7-300
SINUMERIK 840D sl

How to mitigate CVE-2020-15783

Install updates from vendor's website.

External References

https://ics-cert.us-cert.gov/advisories/icsa-20-315-04

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