Security readout for executives and security teams
CVE-2022-33891 lets a malicious user abuse Apache Spark UI security handling to run shell commands as the Spark process user. This is serious because Spark often has access to data-processing infrastructure and sensitive datasets. CISA lists it as known exploited, so exposed affected Spark deployments should be treated as urgent. Exposure is most likely where Apache Spark UI is reachable by users or networks beyond trusted administrators, especially with ACLs and authentication filters enabled. Internet-facing or broadly accessible cluster management surfaces raise business risk. Treat this as a high-priority remediation item, especially for exposed Spark infrastructure. Known exploitation plus command execution creates credible risk to data pipelines, cluster integrity, and sensitive data access. Mitigation focus: Inventory Apache Spark versions and identify deployments in affected version ranges.; Follow Apache guidance to upgrade to a non-affected Spark release.; Restrict Spark UI access to trusted administrative networks and authenticated users..
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
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ATT&CK lookup starting points
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CWE-78: Command execution behavior lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-33891 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://lists.apache.org/thread/p847l3kopoo5bjtmxrcwk21xp6tjxqlcCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-33891CVE reference · government-resource
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.