Is CVE-2021-43829 in the CISA KEV catalog?

No. CVE-2021-43829 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-43829?

CVE-2021-43829 has a CVSS v3 base score of 7.4 (HIGH).

What is the EPSS score for CVE-2021-43829?

CVE-2021-43829 has an EPSS score of 59.25% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-43829?

Upgrade patrowlmanager to 1.7.7 or later.

CVE & CISA-KEV Catalog

CVE-2021-43829

HIGHEPSS 99th pctl

7.4

CVSS v3

NVD

Description

PatrOwl is a free and open-source solution for orchestrating Security Operations. In versions prior to 1.7.7 PatrowlManager unrestrictly handle upload files in the findings import feature. This vulnerability is capable of uploading dangerous type of file to server leading to XSS attacks and potentially other forms of code injection. Users are advised to update to 1.7.7 as soon as possible. There are no known workarounds for this issue.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

patrowlmanagerNVD

Affected:< 1.7.7Fixed in:1.7.7CVE-2021-43829derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Exploit Intelligence

59.25%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Patch2

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.