CVE-2019-13921
HIGHDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 70% of all known CVEs.
References
Related Vulnerabilities
Other CWE-410 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-40224 | High | 7.5 | 65% | - | - |
| CVE-2025-0453 | High | 7.5 | 11% | - | - |
| CVE-2022-2048 | High | 7.5 | 2.3% | - | Fix |
| CVE-2025-27479 | High | 7.5 | 2.0% | - | Fix |
| CVE-2018-13815 | High | 7.5 | 1.8% | - | Fix |
| CVE-2021-1615 | High | 8.6 | 1.3% | - | - |
Common questions
How do I fix CVE-2019-13921?
No published fix for CVE-2019-13921 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2019-13921 being actively exploited?
Not that we know of. CVE-2019-13921 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 70% of all scored CVEs.
How severe is CVE-2019-13921?
CVE-2019-13921 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.