How severe is CVE-2018-16958?

CVE-2018-16958 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-16958 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-2018-16958?

CVE-2018-16958 affects Oracle Webcenter Interaction. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16958?

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

When was CVE-2018-16958 published?

CVE-2018-16958 was published on 2018-09-18 and last updated on 2026-06-17.

CVE-2018-16958

CVE-2018-16958 is a medium-severity vulnerability in Oracle Webcenter Interaction 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. The underlying weakness is classified as CWE-732.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.8
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Oracle Webcenter Interaction
Published: 2018-09-18
Last modified: 2026-06-17

Description

An issue was discovered in Oracle WebCenter Interaction Portal 10.3.3. The ASP.NET_SessionID primary session cookie, when Internet Information Services (IIS) with ASP.NET is used, is not protected with the HttpOnly attribute. The attribute cannot be enabled by customers. Consequently, this cookie is exposed to session hijacking attacks should an adversary be able to execute JavaScript in the origin of the portal installation. NOTE: this CVE is assigned by MITRE and isn't validated by Oracle because Oracle WebCenter Interaction Portal is out of support.

Frequently asked questions

What is CVE-2018-16958?: An issue was discovered in Oracle WebCenter Interaction Portal 10.3.3. The ASP.NET_SessionID primary session cookie, when Internet Information Services (IIS) with ASP.NET is used, is not protected with the HttpOnly attribute. The attribute cannot be enabled by customers. Consequently, this cookie is exposed to session hijacking attacks should an adversary be able to execute JavaScript in the origin of the portal installation. NOTE: this CVE is assigned by MITRE and isn't validated by Oracle because Oracle WebCenter Interaction Portal is out of support.
How severe is CVE-2018-16958?: CVE-2018-16958 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-16958 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-2018-16958?: CVE-2018-16958 affects Oracle Webcenter Interaction. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16958?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16958 published?: CVE-2018-16958 was published on 2018-09-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oracle:webcenter_interaction:10.3.3:*:*:*:*:*:*:*

More vulnerabilities in Oracle Webcenter Interaction

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