CVE-2020-4951

Local information disclosure via cached browser data

Published Oct 15, 2021 · Updated Sep 16, 2024

Information disclosure in IBM Cognos Analytics 11.1.7 and 11.2.0 allows local users to read sensitive data from a browser cache. The web interface leaves sensitive information in locally cached browser data; IBM has not identified the cached fields or responsible pages. Exploitation requires local access to a browser profile that has used the affected deployment, and the reported consequence is read-only disclosure.

CVSS severity4.0
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in IBM Cognos Analytics 11.1.7 and 11.2.0 allows local users to read sensitive data from a browser cache. The web interface leaves sensitive information in locally cached browser data; IBM has not identified the cached fields or responsible pages. Exploitation requires local access to a browser profile that has used the affected deployment, and the reported consequence is read-only disclosure.

The record

CVE
CVE-2020-4951
Published
Oct 15, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
Cognos Analytics
Classifications
CWE-200, T1005
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 15, 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=11.1.7
  2. Affected versionversion=11.2.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · Cognos Analyticsversion=11.1.7; version=11.2.0

Published CVSS scores

3.3NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0IBM CorporationCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
2.1NVDAV:L/AC:L/Au:N/C:P/I:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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