LiveActive security incident?Get immediate response
CVE Record

CVE-2020-4883: IBM QRadar SIEM 7.3 and 7.4 could disclose sensitive information about other domains which could be used in...

IBM QRadar SIEM 7.3 and 7.4 could disclose sensitive information about other domains which could be used in further attacks against the system. IBM X-Force ID: 190907.

MediumCVSS 4.3Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM QRadar SIEM 7.3 and 7.4 can expose sensitive information about other domains to an authenticated low-privileged user. The disclosed information could help plan further attacks, but the CVSS data indicates limited confidentiality impact and no integrity or availability impact. Treat this as an access-control and data-segmentation issue, not an emergency remote-code-execution event.

Executive priority

Prioritize remediation during the next security maintenance cycle, faster if QRadar is shared across domains or exposed to many users. This is not evidenced as actively exploited, but it affects a core security monitoring platform and may leak information useful for follow-on attacks.

Technical view

CVE-2020-4883 is an IBM QRadar SIEM information-disclosure flaw affecting versions 7.3 and 7.4. The CVSS 3.0 vector shows network access, low complexity, low privileges, no user interaction, unchanged scope, and low confidentiality impact. No CWE is supplied in the bundle. IBM X-Force tracks it as 190907.

Likely exposure

Exposure is limited to organizations running IBM QRadar SIEM 7.3 or 7.4. The source bundle does not name other IBM products, cloud services, appliances, or downstream distributions as affected. Risk is higher where QRadar access spans multiple business units, tenants, or domains.

Exploitation context

The CVE is not listed as CISA KEV in the provided bundle, and no cited source states active exploitation. Exploitation requires network reachability and low-privileged authenticated access, according to the CVSS vector. The main concern is reconnaissance value for later attacks.

Researcher notes

The bundle provides limited technical detail beyond information disclosure across domains. Avoid assuming the vulnerable endpoint, exact data fields, or fixed versions without IBM advisory confirmation. Validation should focus on version exposure, authorization boundaries, and whether IBM’s documented remediation has been applied.

Mitigation direction

  • Identify all IBM QRadar SIEM 7.3 and 7.4 deployments.
  • Review IBM advisory node 6449678 for the official remediation path.
  • Apply IBM-provided fixes or upgrades where available.
  • Restrict QRadar access to authorized security operations personnel.
  • Review domain separation and least-privilege permissions inside QRadar.
  • Monitor QRadar access for unusual cross-domain information access.

Validation and detection

  • Inventory QRadar SIEM versions across production and non-production environments.
  • Confirm whether any deployment runs version 7.3 or 7.4.
  • Check IBM advisory status against installed QRadar fix levels.
  • Review user roles for unnecessary cross-domain visibility.
  • Audit QRadar logs for suspicious authenticated access patterns.
  • Document any compensating controls if remediation is delayed.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CVE-2020-4883 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/A:N/I:N/S:U/C:L/PR:L/AV:N/UI:N/AC:L/RC:C/E:U/RL:O

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
4.3CVSS 3.0MediumCVSS:3.0/A:N/I:N/S:U/C:L/PR:L/AV:N/UI:N/AC:L/RC:C/E:U/RL:O2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2020-4883Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:N/I:N/S:U/C:L/PR:L/AV:N/UI:N/AC:L/RC:C/E:U/RL:O

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMQRadar SIEM7.3, 7.4Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.