Security readout for executives and security teams
Plain-English summary
IBM QRadar Advisor versions 1.0.0 through 2.4.0 have an input validation weakness. An authenticated attacker with low privileges could bypass application controls and affect system or data integrity. The public sources do not identify confidentiality or availability impact, and they do not report active exploitation.
Executive priority
Treat as a scheduled remediation item unless QRadar Advisor is broadly accessible to many low-privileged users. It affects integrity, not availability or confidentiality per the supplied CVSS data.
Technical view
The CVSS 3.0 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N, scoring 4.3. IBM describes incomplete blacklisting for input validation in QRadar Advisor, leading to application control bypass and limited integrity impact. No CWE is listed in the supplied CVE data.
Likely exposure
Exposure is limited to environments running IBM QRadar Advisor 1.0.0 through 2.4.0. Risk is higher where low-privileged authenticated users can access the application over the network.
Exploitation context
The CVE is not listed as CISA KEV in the supplied bundle. The CVSS exploit maturity is unproven, and the provided sources do not claim active exploitation or provide public exploit evidence.
Researcher notes
The public bundle is sparse: affected range, CVSS vector, IBM advisory, and X-Force ID are available, but no detailed root cause, CWE, exploit narrative, or exact fixed version is included.
Mitigation direction
- Check IBM advisory 1102443 for the official remediation path.
- Upgrade or patch QRadar Advisor according to IBM guidance.
- Restrict QRadar Advisor access to authorized trusted users.
- Review integrity-sensitive QRadar Advisor data for unexpected changes.
Validation and detection
- Inventory QRadar Advisor installations and record exact versions.
- Confirm whether any instance runs versions 1.0.0 through 2.4.0.
- Verify low-privileged user access paths to QRadar Advisor.
- Review IBM X-Force entry 166205 for current vendor details.
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-2019-4556 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
- 4.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/S:U/A:N/C:N/I:L/UI:N/PR:L/RC:C/RL:O/E:U
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/AC:L/S:U/A:N/C:N/I:L/UI:N/PR:L/RC:C/RL:O/E:U2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/AV:N/AC:L/S:U/A:N/C:N/I:L/UI:N/PR:L/RC:C/RL:O/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/1102443CVE reference · x_refsource_CONFIRM
- ibm-qradar-cve20194556-input-validation (166205)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.