CVE-2021-2464

Name: CVE-2021-2464
Creator: NVD / NIST
Published: 2021-09-24T19:15:07.06+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2021-2464 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Vulnerability in Oracle Linux (component: OSwatcher). Supported versions that are affected are 7 and 8. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Vulnerability in Oracle Linux (component: OSwatcher). Supported versions that are affected are 7 and 8. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Linux executes to compromise Oracle Linux. Successful attacks of this vulnerability can result in takeover of Oracle Linux. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.32%

24.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Engineered Systems Utilities	12.1.0.2
Oracle	Engineered Systems Utilities	19c
Oracle	Engineered Systems Utilities	21c
Oracle	Linux	7
Oracle	Linux	8

References

https://linux.oracle.com/errata/ELSA-2021-9444.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Vendor Advisory
https://linux.oracle.com/errata/ELSA-2021-9444.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Vendor Advisory

Timeline

Published: Sep 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-2464?

How severe is CVE-2021-2464?

CVE-2021-2464 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2021-2464?

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-2021-2464?

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

Scan your code now

Source: NVD / NIST