How severe is CVE-2015-7521?

CVE-2015-7521 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2015-7521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7521?

CVE-2015-7521 primarily affects Apache Hive. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-7521?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-7521 published?

CVE-2015-7521 was published on 2016-01-29 and last updated on 2026-06-17.

CVE-2015-7521

CVE-2015-7521 is a high-severity vulnerability in Apache Hive with a CVSS 3.x base score of 8.3. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v2: 7.5
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Apache Hive
Published: 2016-01-29
Last modified: 2026-06-17

Description

The authorization framework in Apache Hive 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.2.0 and 1.2.1, on clusters protected by Ranger and SqlStdHiveAuthorization, allows attackers to bypass intended parent table access restrictions via unspecified partition-level operations.

Frequently asked questions

What is CVE-2015-7521?: The authorization framework in Apache Hive 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.2.0 and 1.2.1, on clusters protected by Ranger and SqlStdHiveAuthorization, allows attackers to bypass intended parent table access restrictions via unspecified partition-level operations.
How severe is CVE-2015-7521?: CVE-2015-7521 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2015-7521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7521?: CVE-2015-7521 primarily affects Apache Hive. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7521?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-7521 published?: CVE-2015-7521 was published on 2016-01-29 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:apache:hive:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hive:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:hive:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hive:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hive:1.2.1:*:*:*:*:*:*:*

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