Is CVE-2024-33661 in the CISA KEV catalog?

No. CVE-2024-33661 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-33661?

CVE-2024-33661 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2024-33661?

CVE-2024-33661 has an EPSS score of 0.62% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-33661?

Upgrade portainer to 2.20.0 or later.

CVE & CISA-KEV Catalog

CVE-2024-33661

CRITICAL

9.1

CVSS v3

NVD

Description

Portainer before 2.20.0 allows redirects when the target is not index.yaml.

CWE-601Open Redirect

How to fix

Remediation Available

portainerNVD

Affected:< 2.20.0Fixed in:2.20.0CVE-2024-33661derived from NVD

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.62%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Patch2

Product2

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	Fix

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Markdown

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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 2025-05-21.