CVE-2021-29757Network attack vector

Unauthorized actions via improper CSRF checking

Published Aug 2, 2021 · Updated Sep 16, 2024

Cross-site request forgery in IBM QRadar User Entity Behavior Analytics 4.1.1 allows remote attackers to perform unauthorized actions. IBM identifies improper CSRF checks in some components but does not disclose the affected endpoints or validation operation. Exploitation requires an authenticated user to submit the attacker's request; IBM bounds the published impact to unauthorized state changes without confidentiality or availability loss.

CVSS severity4.3
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in IBM QRadar User Entity Behavior Analytics 4.1.1 allows remote attackers to perform unauthorized actions. IBM identifies improper CSRF checks in some components but does not disclose the affected endpoints or validation operation. Exploitation requires an authenticated user to submit the attacker's request; IBM bounds the published impact to unauthorized state changes without confidentiality or availability loss.

The record

CVE
CVE-2021-29757
Published
Aug 2, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM QRadar User Entity Behavior Analytics
Classifications
CWE-352
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 2, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM QRadar User Entity Behavior Analyticsversion=4.1.1

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.8IBM CorporationCVSS:3.0/A:N/S:U/I:L/PR:N/AV:N/UI:R/AC:L/C:N/E:U/RC:C/RL:O
6.8NIST NVDAV:N/AC:M/Au:N/C:P/I:P/A:P
4.3IBM CorporationCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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