CVE-2021-30690

Name: CVE-2021-30690
Creator: NVD / NIST
Published: 2021-09-08T15:15:14.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2021-30690 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Multiple issues in apache were addressed by updating apache to version 2.4.46. This issue is fixed in Security Update 2021-004 Mojave. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

Multiple issues in apache were addressed by updating apache to version 2.4.46. This issue is fixed in Security Update 2021-004 Mojave. Multiple issues in apache.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.25%

65.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	>= 10.14, <= 10.14.5
Apple	Mac Os X	10.14.6

References

https://support.apple.com/en-us/HT212531Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT212531Release Notes, Vendor Advisory

Timeline

Published: Sep 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30690?

Multiple issues in apache were addressed by updating apache to version 2.4.46. This issue is fixed in Security Update 2021-004 Mojave. Multiple issues in apache.

How severe is CVE-2021-30690?

CVE-2021-30690 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30690?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30690?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST