Security readout for executives and security teams
Plain-English summary
Apache Hive used a timing-sensitive cookie signature check. In some conditions, an attacker could infer another user's cookie signature by measuring response timing, potentially weakening session protection. Apache says the issue was addressed in Hive 2.3.8.
Executive priority
Treat this as a moderate session-security issue for Hive environments. It warrants timely remediation where Hive is exposed to multiple users or untrusted networks, but the provided evidence does not support emergency prioritization for active exploitation.
Technical view
CVE-2020-1926 is a CWE-208 timing side-channel in Apache Hive cookie signature verification caused by non-constant-time comparison. The public description says this could allow recovery of another user's cookie signature. The bundle does not provide CVSS, exact vulnerable version ranges, exploit details, or broader product impact.
Likely exposure
Exposure is most likely in Apache Hive deployments older than 2.3.8 that use the affected cookie signature verification path. The source bundle does not identify affected configurations, downstream distributions, or CPEs.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not claim active exploitation. Timing attacks usually require repeated measurements and favorable network conditions, but the bundle does not quantify practical exploitability.
Researcher notes
The key missing data is precise affected version range, CVSS scoring, and exploit maturity. Analysis should stay tied to the Apache description: non-constant-time cookie signature comparison, possible signature recovery, fixed in Hive 2.3.8.
Mitigation direction
- Upgrade Apache Hive to 2.3.8 or later.
- Check Apache Hive vendor guidance for any deployment-specific instructions.
- Prioritize externally reachable or multi-user Hive services for review.
- Document compensating controls if immediate upgrade is delayed.
Validation and detection
- Inventory Apache Hive versions across production and analytics environments.
- Confirm whether any deployment is older than Hive 2.3.8.
- Review authentication and cookie usage against Apache Hive configuration.
- Check change records to confirm the 2.3.8 fix is deployed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-208: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-1926 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://issues.apache.org/jira/browse/HIVE-22708CVE reference · x_refsource_MISC
- https://lists.apache.org/thread.html/rd186eedff68102ba1e68059a808101c5aa587e11542c7dcd26e7b9d7%40%3Cuser.hive.apache.org%3ECVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Observable Timing Discrepancy
Observable Timing Discrepancy represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.