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CVE Record

CVE-2020-4268: IBM QRadar 7.3.0 to 7.3.3 Patch 2 is vulnerable to cross-site scripting.

IBM QRadar 7.3.0 to 7.3.3 Patch 2 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-ForceID: 175841.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM QRadar versions 7.3.0 through 7.3.3 Patch 2 have a Web UI cross-site scripting flaw. An authenticated user could place JavaScript into the interface, potentially changing what another trusted session sees and exposing credentials. This is not rated critical, but QRadar is security infrastructure, so exposed management interfaces deserve prompt attention.

Executive priority

Prioritize remediation in the next normal security maintenance cycle, faster if the QRadar console is broadly reachable. The issue can affect credential trust inside a security monitoring platform, but available evidence does not support emergency treatment as actively exploited.

Technical view

CVE-2020-4268 is an authenticated, network-reachable XSS issue in IBM QRadar Web UI. The CVSS 3.0 score is 5.4 with low attack complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact. IBM X-Force tracks it as 175841.

Likely exposure

Exposure is most likely where IBM QRadar 7.3.0 through 7.3.3 Patch 2 Web UI is deployed and reachable by non-administrative or broad user populations. Internet or partner-accessible QRadar consoles increase business risk, even though exploitation requires privileges and user interaction.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates exploit maturity as high, but no provided source proves current exploitation. Treat this as a credible authenticated Web UI risk, not as confirmed in-the-wild compromise.

Researcher notes

The bundle does not provide a CWE, exact vulnerable parameter, exploit procedure, or fixed version details. Analysis is limited to IBM QRadar 7.3.0 through 7.3.3 Patch 2, IBM X-ForceID 175841, and the CVSS 3.0 vector supplied in the CVE record.

Mitigation direction

  • Review IBM advisory 6189639 for the vendor-supported fix or upgrade path.
  • Upgrade affected QRadar deployments according to IBM guidance.
  • Restrict QRadar Web UI access to trusted administrative networks and users.
  • Apply least privilege for QRadar accounts that can enter or modify UI content.
  • Monitor QRadar sessions and logs for unexpected script-like content or credential anomalies.

Validation and detection

  • Inventory QRadar instances and confirm exact version and patch level.
  • Verify whether any instance is 7.3.0 through 7.3.3 Patch 2.
  • Confirm IBM-recommended remediation has been applied on affected systems.
  • Review Web UI access paths for internet, VPN, partner, or broad internal exposure.
  • Check whether low-privileged users can submit content rendered in trusted sessions.
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

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CVE-2020-4268 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.0)
Known Exploited
No
Published

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

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
5.4CVSS 3.0MediumCVSS:3.0/I:L/S:C/A:N/UI:R/AV:N/AC:L/PR:L/C:L/RL:O/E:H/RC:C2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2020-4268Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
IBMQradar7.3.3.Patch2Listed
IBMQRadar7.3.0Listed
Weakness

CWE details

No CWE listed

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