How severe is CVE-2021-41067?

CVE-2021-41067 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-41067 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41067?

CVE-2021-41067 affects Listary. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41067?

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

When was CVE-2021-41067 published?

CVE-2021-41067 was published on 2021-12-14 and last updated on 2026-06-17.

CVE-2021-41067

CVE-2021-41067 is a high-severity vulnerability in Listary with a CVSS 3.x base score of 7.5. 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-354.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.6
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-354
Affected product: Listary
Published: 2021-12-14
Last modified: 2026-06-17

Description

An issue was discovered in Listary through 6. Improper implementation of the update process leads to the download of software updates with a /check-update HTTP-based connection. This can be exploited with MITM techniques. Together with the lack of package validation, it can lead to manipulation of update packages that can cause an installation of malicious content.

Frequently asked questions

What is CVE-2021-41067?: An issue was discovered in Listary through 6. Improper implementation of the update process leads to the download of software updates with a /check-update HTTP-based connection. This can be exploited with MITM techniques. Together with the lack of package validation, it can lead to manipulation of update packages that can cause an installation of malicious content.
How severe is CVE-2021-41067?: CVE-2021-41067 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-41067 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41067?: CVE-2021-41067 affects Listary. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41067?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-41067 published?: CVE-2021-41067 was published on 2021-12-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:listary:listary:*:*:*:*:*:*:*:*

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