Is CVE-2021-33563 in the CISA KEV catalog?

No. CVE-2021-33563 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-33563?

CVE-2021-33563 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-33563?

CVE-2021-33563 has an EPSS score of 0.79% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-33563?

Upgrade koel to 5.1.4 or later.

CVE & CISA-KEV Catalog

CVE-2021-33563

HIGH

7.5

CVSS v3

NVD

Description

Koel before 5.1.4 lacks login throttling, lacks a password strength policy, and shows whether a failed login attempt had a valid username. This might make brute-force attacks easier.

CWE-916

How to fix

Remediation Available

koelNVD

Affected:< 5.1.4Fixed in:5.1.4CVE-2021-33563derived 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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.79%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Exploit1

huntr.dev

Third-Party Advisory1

github.com

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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.