How severe is CVE-2020-1926?

CVE-2020-1926 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-1926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1926?

CVE-2020-1926 affects Apache Hive. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1926?

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

When was CVE-2020-1926 published?

CVE-2020-1926 was published on 2021-03-16 and last updated on 2026-06-17.

CVE-2020-1926

CVE-2020-1926 is a medium-severity vulnerability in Apache Hive with a CVSS 3.x base score of 5.9. 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-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Apache Hive
Published: 2021-03-16
Last modified: 2026-06-17

Description

Apache Hive cookie signature verification used a non constant time comparison which is known to be vulnerable to timing attacks. This could allow recovery of another users cookie signature. The issue was addressed in Apache Hive 2.3.8

Frequently asked questions

What is CVE-2020-1926?: Apache Hive cookie signature verification used a non constant time comparison which is known to be vulnerable to timing attacks. This could allow recovery of another users cookie signature. The issue was addressed in Apache Hive 2.3.8
How severe is CVE-2020-1926?: CVE-2020-1926 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-1926 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1926?: CVE-2020-1926 affects Apache Hive. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1926?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1926 published?: CVE-2020-1926 was published on 2021-03-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:hive:*:*:*:*:*:*:*:*

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Browse all CWE-203 (Observable Discrepancy) vulnerabilities →