How severe is CVE-2021-2464?

CVE-2021-2464 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-2464 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-2464?

CVE-2021-2464 primarily affects Oracle Engineered Systems Utilities. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-2464?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-2464 published?

CVE-2021-2464 was published on 2021-09-24 and last updated on 2026-06-17.

CVE-2021-2464

CVE-2021-2464 is a high-severity vulnerability in Oracle Engineered Systems Utilities with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Engineered Systems Utilities
Published: 2021-09-24
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2021-2464?: 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).
How severe is CVE-2021-2464?: CVE-2021-2464 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-2464 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-2464?: CVE-2021-2464 primarily affects Oracle Engineered Systems Utilities. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-2464?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-2464 published?: CVE-2021-2464 was published on 2021-09-24 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:oracle:engineered_systems_utilities:12.1.0.2:*:*:*:*:*:*:*
cpe:2.3:o:oracle:engineered_systems_utilities:19c:*:*:*:*:*:*:*
cpe:2.3:o:oracle:engineered_systems_utilities:21c:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:8:-:*:*:*:*:*:*