How severe is CVE-2016-3131?

CVE-2016-3131 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-3131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3131?

CVE-2016-3131 primarily affects Cloudera Cdh. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3131?

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

When was CVE-2016-3131 published?

CVE-2016-3131 was published on 2019-11-26 and last updated on 2026-06-17.

CVE-2016-3131

CVE-2016-3131 is a medium-severity vulnerability in Cloudera Cdh with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Cloudera Cdh
Published: 2019-11-26
Last modified: 2026-06-17

Description

Cloudera CDH before 5.6.1 allows authorization bypass via direct internal API calls.

Frequently asked questions

What is CVE-2016-3131?: Cloudera CDH before 5.6.1 allows authorization bypass via direct internal API calls.
How severe is CVE-2016-3131?: CVE-2016-3131 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-3131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3131?: CVE-2016-3131 primarily affects Cloudera Cdh. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-3131 published?: CVE-2016-3131 was published on 2019-11-26 and last updated on 2026-06-17.

References

https://docs.cloudera.com/documentation/other/security-bulletins/topics/Security-Bulletin.html#tsb_120

Affected products (2)

cpe:2.3:a:cloudera:cdh:*:*:*:*:*:*:*:*
cpe:2.3:a:cloudera:cdh:5.6.0:*:*:*:*:*:*:*

More vulnerabilities in Cloudera Cdh

CVE-2016-4572 — High (CVSS 8.8): In Cloudera CDH before 5.7.1, Impala REVOKE ALL ON SERVER commands do not revoke all privileges.
CVE-2015-7831 — High (CVSS 8.8): In Cloudera Hue, there is privilege escalation by a read-only user when CDH 5.x brefore 5.4.9 is used.
CVE-2019-7319 — High (CVSS 8.3): An issue was discovered in Cloudera Hue 6.0.0 through 6.1.0. When using one of following authentication backends:…
CVE-2016-5724 — High (CVSS 7.5): Cloudera CDH before 5.9 has Potentially Sensitive Information in Diagnostic Support Bundles.
CVE-2017-9325 — High (CVSS 7.5): The provided secure solrconfig.xml sample configuration does not enforce Sentry authorization on /update/json/docs.
CVE-2016-6605 — High (CVSS 7.5): Impala in CDH 5.2.0 through 5.7.2 and 5.8.0 allows remote attackers to bypass Setry authorization.

All CVEs affecting Cloudera Cdh →

Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →