How severe is CVE-2016-6338?

CVE-2016-6338 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-6338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6338?

CVE-2016-6338 affects Redhat Enterprise Virtualization. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6338?

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

When was CVE-2016-6338 published?

CVE-2016-6338 was published on 2017-04-20 and last updated on 2026-06-17.

CVE-2016-6338

CVE-2016-6338 is a medium-severity vulnerability in Redhat Enterprise Virtualization with a CVSS 3.x base score of 6.8. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.6
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Redhat Enterprise Virtualization
Published: 2017-04-20
Last modified: 2026-06-17

Description

ovirt-engine-webadmin, as used in Red Hat Enterprise Virtualization Manager (aka RHEV-M) for Servers and RHEV-M 4.0, allows physically proximate attackers to bypass a webadmin session timeout restriction via vectors related to UI selections, which trigger repeating queries.

Frequently asked questions

What is CVE-2016-6338?: ovirt-engine-webadmin, as used in Red Hat Enterprise Virtualization Manager (aka RHEV-M) for Servers and RHEV-M 4.0, allows physically proximate attackers to bypass a webadmin session timeout restriction via vectors related to UI selections, which trigger repeating queries.
How severe is CVE-2016-6338?: CVE-2016-6338 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-6338 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6338?: CVE-2016-6338 affects Redhat Enterprise Virtualization. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6338?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-6338 published?: CVE-2016-6338 was published on 2017-04-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:enterprise_virtualization:4.0:*:*:*:*:*:*:*

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