CVE-2021-20405

mediumpriority · track · 30EPSS 0.008 · 56 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.78% (56th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

IBM Security Verify Information Queue 1.0.6 and 1.0.7 could allow a user to perform unauthorized activities due to improper encoding of output. IBM X-Force ID: 196183.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.1–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.03.1lowCVSS:3.0/S:U/PR:N/C:N/UI:R/A:N/AV:N/I:L/AC:H/RL:O/E:U/RC:Csecondary · ENISA EU

v3.03.1lowCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · psirt@us.ibm.com USexploitability 1.6 · impact 1.4

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-116USprimary

affected products (4)

Products and version ranges known to be affected.

IBM Security Verify Information Queue≤ 1.0.6enisa_euvdEU
IBM Security Verify Information Queue≤ 1.0.7enisa_euvdEU
ibm security verify information queue= 1.0.6nvdUScpe:2.3:a:ibm:security_verify_information_queue:*:*:*:*:*:*:*:*
ibm security verify information queue= 1.0.7nvdUScpe:2.3:a:ibm:security_verify_information_queue:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-02-11modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

scry

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