How severe is CVE-2019-13640?

CVE-2019-13640 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-13640 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13640?

CVE-2019-13640 affects Qbittorrent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13640?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-13640 published?

CVE-2019-13640 was published on 2019-07-17 and last updated on 2026-06-17.

CVE-2019-13640

CVE-2019-13640 is a critical-severity vulnerability in Qbittorrent with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Qbittorrent
Published: 2019-07-17
Last modified: 2026-06-17

Description

In qBittorrent before 4.1.7, the function Application::runExternalProgram() located in app/application.cpp allows command injection via shell metacharacters in the torrent name parameter or current tracker parameter, as demonstrated by remote command execution via a crafted name within an RSS feed.

Frequently asked questions

What is CVE-2019-13640?: In qBittorrent before 4.1.7, the function Application::runExternalProgram() located in app/application.cpp allows command injection via shell metacharacters in the torrent name parameter or current tracker parameter, as demonstrated by remote command execution via a crafted name within an RSS feed.
How severe is CVE-2019-13640?: CVE-2019-13640 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13640 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13640?: CVE-2019-13640 affects Qbittorrent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13640?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-13640 published?: CVE-2019-13640 was published on 2019-07-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:qbittorrent:qbittorrent:*:*:*:*:*:*:*:*

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