How severe is CVE-2021-35549?

CVE-2021-35549 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2021-35549 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35549?

CVE-2021-35549 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-35549?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-35549 published?

CVE-2021-35549 was published on 2021-10-20 and last updated on 2026-06-17.

CVE-2021-35549

CVE-2021-35549 is a low-severity vulnerability in Oracle Solaris with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.9)
CVSS v2: 3.3
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Solaris
Published: 2021-10-20
Last modified: 2026-06-17

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility). The supported version that is affected is 11. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Solaris. CVSS 3.1 Base Score 3.9 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L).

Frequently asked questions

What is CVE-2021-35549?: Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility). The supported version that is affected is 11. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Solaris. CVSS 3.1 Base Score 3.9 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L).
How severe is CVE-2021-35549?: CVE-2021-35549 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-35549 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35549?: CVE-2021-35549 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-35549?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35549 published?: CVE-2021-35549 was published on 2021-10-20 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuoct2021.html

Affected products (1)

cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*

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