CVE-2020-1926
Timing attack in Cookie signature verification
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2020-1926- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-208, CWE-203
- Updated
- 2026-11-02
CVE List No score
Timing attack in Cookie signature verification
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
- Record
CVE-2020-1926- Weakness
- CWE-208
- Updated
- 2026-11-02
EUVDEUVD-2022-0830
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
- Record
EUVD-2022-0830- CVSS
- 0.0 None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-54g4-5cf6-hjp3
Apache Hive Information Exposure and Observable Timing Discrepancy
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
- Record
GHSA-54g4-5cf6-hjp3- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200, CWE-203, CWE-208
- Updated
- 2026-11-02
OSV
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
- Record
CVE-2020-1926- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-54g4-5cf6-hjp3
Apache Hive Information Exposure and Observable Timing Discrepancy
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
- Record
GHSA-54g4-5cf6-hjp3- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200, CWE-203, CWE-208
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.hive:hiveMaven |
before 2.3.8 | 2.3.8 |
org.apache.hive:hiveMaven |
before 2.3.8, plus listed versions 0.13.00.13.10.14.01.0.01.0.1 Show 18 moreShow less1.1.01.1.11.2.01.2.11.2.22.0.02.0.12.1.02.1.12.2.02.3.02.3.12.3.22.3.32.3.42.3.52.3.62.3.7 |
2.3.8 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1926 is a medium vulnerability (CVSS 5.9) in Apache Hive, published March 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.46%, the 84th percentile. Fixed in org.apache.hive:hive 2.3.8.