CVE-2021-20402Network attack vector

Sensitive information disclosure via detailed browser errors

Published Feb 11, 2021 · Updated Sep 16, 2024

Information disclosure in Security Verify Information Queue 1.0.6 and 1.0.7 allows remote authenticated users to read detailed browser errors. The web application's error handling returns detailed technical messages to the browser without suppressing sensitive content. Administrative privileges are required; the disclosed details can support further attacks, but no data modification or service interruption is reported.

CVSS severity2.7
Low
EPSS probability1.01%
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 Security Verify Information Queue 1.0.6 and 1.0.7 allows remote authenticated users to read detailed browser errors. The web application's error handling returns detailed technical messages to the browser without suppressing sensitive content. Administrative privileges are required; the disclosed details can support further attacks, but no data modification or service interruption is reported.

The record

CVE
CVE-2021-20402
Published
Feb 11, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
Security Verify Information Queue
Classifications
CWE-209
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 11, 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=1.0.6
  2. Affected versionversion=1.0.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

IBM · Security Verify Information Queueversion=1.0.6; version=1.0.7

Published CVSS scores

2.7IBMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
2.7NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
4.0NVDAV:N/AC:L/Au:S/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.

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-209Generation of Error Message Containing Sensitive Information

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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