Is CVE-2019-13921 in the CISA KEV catalog?

No. CVE-2019-13921 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-13921?

CVE-2019-13921 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-13921?

CVE-2019-13921 has an EPSS score of 1.37% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate 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.

CVE & CISA-KEV Catalog

CVE-2019-13921

HIGH

7.5

CVSS v3

NVD

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.

CWE-410 CWE-400Resource Exhaustion

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.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.37%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

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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.