How severe is CVE-2019-7193?

CVE-2019-7193 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2019-7193?

Affected package information for CVE-2019-7193 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2019-7193?

No fixed version has been published for CVE-2019-7193 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2019-7193 actively exploited in the wild?

Yes. There are 5 known exploit references for CVE-2019-7193, including 4 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2019-7193?

CVE-2019-7193 has an EPSS (Exploit Prediction Scoring System) score of 25.8%, placing it in the 96th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score warrants monitoring and prompt remediation.

Is CVE-2019-7193 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2019-7193 (QNAP QTS Improper Input Validation Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-06-08. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-06-22. The required action was: Apply updates per vendor instructions. This CVE has been used in known ransomware campaigns. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2019-7193?

CVE-2019-7193 is classified as Improper Input Validation (CWE-20). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2019-7193?

CVE-2019-7193 affects qnap qts (16 versions, e.g. 4.3.6.0895, 4.3.6.0907, 4.3.6.0923…). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2019-7193 published, and has it been updated?

CVE-2019-7193 was published on December 5, 2019 and was last updated on October 27, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-06-08 — agencies required to remediate by 2022-06-22 · Ransomware

CVE-2019-7193

CRITICAL

This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system. To fix the vulnerability, QNAP recommend updating QTS to their latest versions.

Published

Dec 5, 2019

Updated

Oct 27, 2025

Affected

0 pkgs

Patched

None yet

Exploits

5 known

EPSS Exploitation Probability

via FIRST.org ↗

25.8%probability of exploitation in next 30 days

Moderate Risk96th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system. To fix the vulnerability, QNAP recommend updating QTS to their latest versions.

Affected Products

1 product · 16 configurations

qtsqnap

16 versions

4.3.6.08954.3.6.09074.3.6.09234.3.6.09444.3.6.09594.3.6.09794.3.6.09934.3.6.10134.3.6.10334.4.1.09484.4.1.09494.4.1.0978

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

This improper input validation vulnerability allows remote attackers to …

github.comAwesomePocJun 2020

This improper input validation vulnerability allows remote attackers to …

cisa.govCISAJun 2022

This improper input validation vulnerability allows remote attackers to …

pcrisk.comAPIJun 2020

This improper input validation vulnerability allows remote attackers to …

packetstormsecurity.comNVDJun 2024

Frequently Asked Questions

This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system. To fix the vulnerability, QNAP recommend updating QTS to their latest versions.

O3 Security · Impact-Aware SCA

Is CVE-2019-7193 in your stack?

O3 detects CVE-2019-7193 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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