CVE-2021-29852Network attack vector

Credential disclosure via stored Web UI script injection

Published Sep 1, 2021 · Updated Sep 17, 2024

Cross-site scripting in IBM Planning Analytics Local 2.0 allows remote authenticated users to expose credentials through its Web UI. The Web UI accepts embedded arbitrary JavaScript, but IBM has not disclosed the affected field, endpoint, or missing neutralization operation. Exploitation requires a low-privileged user to supply the script and another user to render it in a trusted session; the resulting code can read session-accessible credentials and alter displayed content.

CVSS severity5.4
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in IBM Planning Analytics Local 2.0 allows remote authenticated users to expose credentials through its Web UI. The Web UI accepts embedded arbitrary JavaScript, but IBM has not disclosed the affected field, endpoint, or missing neutralization operation. Exploitation requires a low-privileged user to supply the script and another user to render it in a trusted session; the resulting code can read session-accessible credentials and alter displayed content.

The record

CVE
CVE-2021-29852
Published
Sep 1, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
IBM Planning Analytics Local
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 1, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM Planning Analytics Localversion=2.0

Published CVSS scores

5.4IBMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.2IBMCVSS:3.0/AV:N/UI:R/AC:L/C:L/I:L/S:C/A:N/PR:L/RC:C/E:H/RL:O
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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