CVE-2021-24146

Q: How do I fix CVE-2021-24146?

Upgrade modern events calendar lite to 5.16.5 or later.

Q: Is CVE-2021-24146 being actively exploited?

Not that we know of. CVE-2021-24146 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 31.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 98% of all scored CVEs.

Q: How severe is CVE-2021-24146?

CVE-2021-24146 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-24146 affect?

Published advisories record a fix for modern events calendar lite (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHEPSS 98th pctl

7.5

CVSS v3

NVD

Description

Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.

CWE-284Improper Access Control CWE-862Missing Authorization

How to fix

Remediation Available

modern events calendar liteNVD

Affected:< 5.16.5Fixed in:5.16.5CVE-2021-24146derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

31.04%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Exploit2

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	Fix

Common questions

How do I fix CVE-2021-24146?

Upgrade modern events calendar lite to 5.16.5 or later.

Is CVE-2021-24146 being actively exploited?

Not that we know of. CVE-2021-24146 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 31.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 98% of all scored CVEs.

How severe is CVE-2021-24146?

CVE-2021-24146 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-24146 affect?

Published advisories record a fix for modern events calendar lite (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2021-24146

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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.