How severe is CVE-2018-2563?

CVE-2018-2563 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-2563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-2563?

CVE-2018-2563 primarily affects Oracle Solaris. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-2563?

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

When was CVE-2018-2563 published?

CVE-2018-2563 was published on 2018-04-19 and last updated on 2026-06-17.

CVE-2018-2563

CVE-2018-2563 is a medium-severity vulnerability in Oracle Solaris with a CVSS 3.x base score of 4.2. 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 4.2)
CVSS v2: 4.9
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Solaris
Published: 2018-04-19
Last modified: 2026-06-17

Description

Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: LDAP Library). Supported versions that are affected are 10 and 11.3. Difficult to exploit vulnerability allows low privileged attacker with network access via LDAP 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. CVSS 3.0 Base Score 4.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N).

Frequently asked questions

What is CVE-2018-2563?: Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: LDAP Library). Supported versions that are affected are 10 and 11.3. Difficult to exploit vulnerability allows low privileged attacker with network access via LDAP 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. CVSS 3.0 Base Score 4.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N).
How severe is CVE-2018-2563?: CVE-2018-2563 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-2563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-2563?: CVE-2018-2563 primarily affects Oracle Solaris. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-2563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-2563 published?: CVE-2018-2563 was published on 2018-04-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:oracle:solaris:10.0:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*

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