What’s Vulnerable › Vulnerabilities

CVE-2019-13921

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-10 · updated 2026-06-17
• Weakness: CWE-410

Description

A vulnerability has been identified in SIMATIC WinAC RTX (F) 2010 (All versions < SP3 Update 1). Affected versions of the software contain a vulnerability that could allow an unauthenticated attacker to trigger a denial-of-service condition. The vulnerability can be triggered if a large HTTP request is sent to the executing service. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the service provided by the software.

Affected products

• Siemens AG SIMATIC WinAC RTX (F) 2010: sp1, sp2, sp2-update_1, sp2-update_2, sp2-update_3, sp2-update_4

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-878278.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-878278.pdf

Get alerted when CVE-2019-13921 or the next vulnerability affects your stack