How severe is CVE-2018-2691?

CVE-2018-2691 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-2691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-2691?

CVE-2018-2691 primarily affects Oracle User Management. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-2691?

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

When was CVE-2018-2691 published?

CVE-2018-2691 was published on 2018-01-18 and last updated on 2026-06-17.

CVE-2018-2691

CVE-2018-2691 is a medium-severity vulnerability in Oracle User Management with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 5.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle User Management
Published: 2018-01-18
Last modified: 2026-06-17

Description

Vulnerability in the Oracle User Management component of Oracle E-Business Suite (subcomponent: Proxy User Delegation). Supported versions that are affected are 12.1.3, 12.2.3, 12.2.4, 12.2.5, 12.2.6 and 12.2.7. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle User Management. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle User Management accessible data as well as unauthorized read access to a subset of Oracle User Management accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).

Frequently asked questions

What is CVE-2018-2691?: Vulnerability in the Oracle User Management component of Oracle E-Business Suite (subcomponent: Proxy User Delegation). Supported versions that are affected are 12.1.3, 12.2.3, 12.2.4, 12.2.5, 12.2.6 and 12.2.7. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle User Management. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle User Management accessible data as well as unauthorized read access to a subset of Oracle User Management accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
How severe is CVE-2018-2691?: CVE-2018-2691 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-2691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-2691?: CVE-2018-2691 primarily affects Oracle User Management. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-2691?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-2691 published?: CVE-2018-2691 was published on 2018-01-18 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:oracle:user_management:12.1.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:user_management:12.2.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:user_management:12.2.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:user_management:12.2.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:user_management:12.2.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:user_management:12.2.7:*:*:*:*:*:*:*

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