How severe is CVE-2018-3263?

CVE-2018-3263 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2018-3263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3263?

CVE-2018-3263 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3263?

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

When was CVE-2018-3263 published?

CVE-2018-3263 was published on 2018-10-17 and last updated on 2026-06-17.

CVE-2018-3263

CVE-2018-3263 is a medium-severity vulnerability in Oracle Solaris with a CVSS 3.x base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 6.8
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Solaris
Published: 2018-10-17
Last modified: 2026-06-17

Description

Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: Sudo). The supported version that is affected is 11.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Solaris. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Solaris accessible data as well as unauthorized read access to a subset of Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Solaris. CVSS 3.0 Base Score 5.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).

Frequently asked questions

What is CVE-2018-3263?: Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: Sudo). The supported version that is affected is 11.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Solaris. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Solaris accessible data as well as unauthorized read access to a subset of Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Solaris. CVSS 3.0 Base Score 5.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).
How severe is CVE-2018-3263?: CVE-2018-3263 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2018-3263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3263?: CVE-2018-3263 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-3263 published?: CVE-2018-3263 was published on 2018-10-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*

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