CVE-2021-41067
An issue was discovered in Listary through 6. Improper implementation of the update process leads...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-41067- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.6 High
AV:N/AC:H/Au:N/C:C/I:C/A:C - Weakness
- CWE-354
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-41067- Updated
- 2026-11-02
EUVDEUVD-2021-28218 No score
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.
- Record
EUVD-2021-28218- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hcmw-22rw-4v9j No score
An issue was discovered in Listary through 6. Improper implementation of the update process leads...
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.
- Record
GHSA-hcmw-22rw-4v9j- Weakness
- CWE-354
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-41067 is a high vulnerability (CVSS 7.5) in Listary, published December 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 47th percentile. No source names a fixed version.