LiveActive security incident?Get immediate response
CVE Record

CVE-2021-29757: IBM QRadar User Behavior Analytics 4.1.1 is vulnerable to cross-site request forgery which could allow an a...

IBM QRadar User Behavior Analytics 4.1.1 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts. IBM X-Force ID: 202168.

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 User Behavior Analytics 4.1.1 has a cross-site request forgery weakness. An attacker could trick a trusted, logged-in user into causing unauthorized actions in the application. The public record rates this medium severity, with limited integrity impact and required user interaction.

Executive priority

Treat as a moderate-priority remediation item for QRadar environments. It is not presented as actively exploited, but it can undermine trusted application actions if authenticated users are targeted.

Technical view

The CVSS 3.0 vector is 4.3: network reachable, low complexity, no attacker privileges, user interaction required, unchanged scope, no confidentiality impact, and low integrity impact. IBM identifies the issue as X-Force ID 202168. The only affected version listed in the bundle is QRadar User Behavior Analytics 4.1.1.

Likely exposure

Exposure is likely limited to organizations running IBM QRadar User Behavior Analytics 4.1.1, especially where users access the web interface while authenticated. The source bundle does not list other affected products or versions.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. Successful abuse requires user interaction and a trusted user session, so risk depends on user roles and reachable application workflows.

Researcher notes

Evidence is limited to the CVE record, IBM support reference, and IBM X-Force entry. Do not broaden scope beyond IBM QRadar User Behavior Analytics 4.1.1 without additional vendor evidence.

Mitigation direction

  • Review IBM advisory guidance for CVE-2021-29757 and X-Force ID 202168.
  • Apply IBM’s official remediation for affected QRadar User Behavior Analytics 4.1.1 deployments.
  • Limit QRadar UBA access to trusted users and networks where operationally possible.
  • Review role permissions to reduce impact from unauthorized user-initiated actions.

Validation and detection

  • Inventory QRadar User Behavior Analytics deployments and confirm whether version 4.1.1 is present.
  • Check IBM advisory and X-Force entry for the applicable fixed or remediated state.
  • Verify remediation status in change records and application version evidence.
  • Review logs for unexpected user actions during suspicious browsing or phishing windows.
Prepared
Confidence
high
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-2021-29757 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/S:U/I:L/PR:N/AV:N/UI:R/AC:L/C:N/E:U/RC:C/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/S:U/I:L/PR:N/AV:N/UI:R/AC:L/C:N/E:U/RC:C/RL:O2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2021-29757Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:N/S:U/I:L/PR:N/AV:N/UI:R/AC:L/C:N/E:U/RC:C/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 User Behavior Analytics4.1.1Listed
Weakness

CWE details

No CWE listed

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