Security readout for executives and security teams
Plain-English summary
IBM QRadar Network Packet Capture did not require strong passwords by default in the listed releases. That increases the chance an attacker could compromise user accounts if weak passwords exist. The CVSS score is medium, but confidentiality impact is rated high, so exposed deployments should be reviewed promptly.
Executive priority
Prioritize remediation during the next security maintenance window, faster for externally reachable or high-value monitoring environments. The issue is medium severity, but compromise of packet-capture accounts could expose sensitive network data.
Technical view
CVE-2019-4576 affects IBM QRadar Network Packet Capture Software 7.3, 7.3.3 Patch 1, and 7.4 GA. The weakness is an insufficient default password-strength requirement. CVSS v3.0 is 5.9 with network attack vector, high attack complexity, no required privileges, no user interaction, and high confidentiality impact.
Likely exposure
Exposure is limited to organizations running the named IBM QRadar Network Packet Capture versions. Risk is higher where authentication interfaces are reachable from untrusted networks and user passwords are weak. The bundle does not identify cloud services, other QRadar products, or non-IBM products as affected.
Exploitation context
The source bundle does not report active exploitation, and CISA KEV status is false. IBM X-Force lists exploit maturity as unproven. Treat this as a password-policy weakness that can assist account compromise, not as evidence of a known public exploit chain.
Researcher notes
The bundle provides a confirmed IBM issue but limited operational detail. No CWE is listed. CVSS suggests confidentiality impact only, with no integrity or availability impact. Avoid assuming affected versions beyond those named or claiming exploitation without additional evidence.
Mitigation direction
- Review IBM advisory for official remediation and version guidance.
- Apply IBM-recommended updates or configuration changes where applicable.
- Enforce strong password requirements for all QRadar Network Packet Capture users.
- Rotate weak, shared, or default passwords on affected systems.
- Restrict access to authentication interfaces to trusted networks.
- Monitor authentication logs for suspicious failures or account access.
Validation and detection
- Inventory IBM QRadar Network Packet Capture deployments and versions.
- Confirm whether any system runs 7.3, 7.3.3 Patch 1, or 7.4 GA.
- Review local password policy settings for strength requirements.
- Check user accounts for weak, shared, or unchanged default passwords.
- Verify management access is limited to approved networks.
- Review recent authentication logs for suspicious activity.
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-2019-4576 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/S:U/PR:N/AV:N/A:N/C:H/AC:H/UI:N/I:N/RC:C/E:U/RL:O
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/S:U/PR:N/AV:N/A:N/C:H/AC:H/UI:N/I:N/RC:C/E:U/RL:O2.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.9MediumVector: CVSS:3.0/S:U/PR:N/AV:N/A:N/C:H/AC:H/UI:N/I:N/RC:C/E:U/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6221298CVE reference · x_refsource_CONFIRM
- ibm-qradar-cve20194576-info-disc (166803)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.