What is CVE-2021-43828?

PatrOwl is a free and open-source solution for orchestrating Security Operations. In versions prior to 1.77 an improper privilege management (IDOR) has been found in PatrowlManager. All imports findings file is placed under /media/imports/ / In that, owner_id is predictable and tmp_file is in format of import_ _ , for example: import_1_1639213059582.json This filename is predictable and allows anyone without logging in to download all finding import files This vulnerability is capable of allowing unlogged in users to download all finding imports file. Users are advised to update to 1.7.7 as soon as possible. There are no known workarounds.

How severe is CVE-2021-43828?

CVE-2021-43828 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-43828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43828?

CVE-2021-43828 affects Patrowl Patrowlmanager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43828?

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-2021-43828 published?

CVE-2021-43828 was published on 2021-12-14 and last updated on 2026-06-17.

CVE-2021-43828

CVE-2021-43828 is a high-severity vulnerability in Patrowl Patrowlmanager 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-639.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Patrowl Patrowlmanager
Published: 2021-12-14
Last modified: 2026-06-17

Description

PatrOwl is a free and open-source solution for orchestrating Security Operations. In versions prior to 1.77 an improper privilege management (IDOR) has been found in PatrowlManager. All imports findings file is placed under /media/imports/<owner_id>/<tmp_file> In that, owner_id is predictable and tmp_file is in format of import_<ownder_id>_<time_created>, for example: import_1_1639213059582.json This filename is predictable and allows anyone without logging in to download all finding import files This vulnerability is capable of allowing unlogged in users to download all finding imports file. Users are advised to update to 1.7.7 as soon as possible. There are no known workarounds.

Frequently asked questions

What is CVE-2021-43828?: PatrOwl is a free and open-source solution for orchestrating Security Operations. In versions prior to 1.77 an improper privilege management (IDOR) has been found in PatrowlManager. All imports findings file is placed under /media/imports/<owner_id>/<tmp_file> In that, owner_id is predictable and tmp_file is in format of import_<ownder_id>_<time_created>, for example: import_1_1639213059582.json This filename is predictable and allows anyone without logging in to download all finding import files This vulnerability is capable of allowing unlogged in users to download all finding imports file. Users are advised to update to 1.7.7 as soon as possible. There are no known workarounds.
How severe is CVE-2021-43828?: CVE-2021-43828 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-43828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43828?: CVE-2021-43828 affects Patrowl Patrowlmanager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43828?: 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-2021-43828 published?: CVE-2021-43828 was published on 2021-12-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:patrowl:patrowlmanager:*:*:*:*:*:*:*:*

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