CVE-2021-38121

highpriority · track · 35EPSS 0.002 · 8 %ileCAEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (8th) EPSS

CVSS 8.8 · high

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Insufficient or weak TLS protocol version identified in Advance authentication client server communication when specific service is accessed between devices. This issue affects NetIQ Advance Authentication versions before 6.3.5.1

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.3highCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Lsecondary · ENISA EU

v3.18.3highCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Lsecondary · security@opentext.com CAexploitability 1.7 · impact 6

v3.18.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-326USprimary

affected products (3)

Products and version ranges known to be affected.

NetIQ Advance Authentication6.3.5.1 → <enisa_euvdEU
microfocus netiq advanced authentication< 6.3nvdUScpe:2.3:a:microfocus:netiq_advanced_authentication:*:*:*:*:*:*:*:*
microfocus netiq advanced authentication= 6.3nvdUScpe:2.3:a:microfocus:netiq_advanced_authentication:*:*:*:*:*:*:*:*

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 2024-08-28modified 2026-06-17

related (696)

Related entries.

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+691 more

references (4)

External citations — patches, advisories, analysis.

scry

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