Security readout for executives and security teams
Plain-English summary
IBM QRadar versions in the cited range may fail to enforce HTTP Strict Transport Security. That can let a network-positioned attacker intercept traffic and expose sensitive information. This is not described as actively exploited, but it matters because QRadar often handles security operations data.
Executive priority
Treat as a scheduled security fix for QRadar environments, prioritized higher where access crosses untrusted networks or administrators connect remotely. It is not currently evidenced as actively exploited.
Technical view
CVE-2019-4594 is an information disclosure issue in IBM QRadar caused by HSTS not being properly enabled. CVSS 3.0 is 5.9: network attack vector, no privileges or user interaction, high complexity, and high confidentiality impact only.
Likely exposure
Exposure is likely limited to IBM QRadar 7.3.0 through 7.3.3 Patch 2 per the title. The provided affected entries specifically list 7.3.0 and 7.3.3 Patch 1.
Exploitation context
The source bundle does not show active exploitation, and KEV is false. Exploitation would require man-in-the-middle positioning, making attack complexity high, but successful interception could reveal sensitive QRadar-related information.
Researcher notes
The evidence supports missing HSTS leading to MITM-based information disclosure. The bundle does not include detailed IBM remediation text, exploit details, or workaround specifics; use vendor guidance for exact fix levels.
Mitigation direction
- Identify all IBM QRadar versions in the cited affected range.
- Review IBM advisory 6189735 for fixed versions or required remediation.
- Upgrade or patch QRadar according to IBM guidance.
- Ensure HTTPS and HSTS behavior are enforced after remediation.
Validation and detection
- Confirm QRadar version and patch level from asset inventory.
- Check whether each instance falls within the cited affected range.
- Verify vendor remediation has been applied where applicable.
- Validate HSTS headers are present on QRadar web access after remediation.
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.
CVE-2019-4594 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
- Medium
- CVSS
- 5.9 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/UI:N/AC:H/PR:N/C:H/I:N/S:U/A:N/E:U/RL:O/RC:C
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 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:3.0/AV:N/UI:N/AC:H/PR:N/C:H/I:N/S:U/A:N/E:U/RL:O/RC:C2.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.9MediumVector: CVSS:3.0/AV:N/UI:N/AC:H/PR:N/C:H/I:N/S:U/A:N/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6189735CVE reference · x_refsource_CONFIRM
- ibm-qradar-cve20194594-info-disc (167810)CVE reference · vdb-entry, x_refsource_XF
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.