CVE-2021-20474Network attack vector

Unauthenticated access to protected functionality

Published Jul 7, 2021 · Updated Sep 17, 2024

Missing authentication in IBM Guardium Data Encryption 3.0.0.2 and 4.0.0.4 allows remote attackers to access protected functions. IBM has not published the affected endpoint or explained how its authentication control is omitted. No credentials or user interaction are required, and the reported consequence is limited exposure or modification through protected functions without service interruption.

CVSS severity6.5
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in IBM Guardium Data Encryption 3.0.0.2 and 4.0.0.4 allows remote attackers to access protected functions. IBM has not published the affected endpoint or explained how its authentication control is omitted. No credentials or user interaction are required, and the reported consequence is limited exposure or modification through protected functions without service interruption.

The record

CVE
CVE-2021-20474
Published
Jul 7, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
Guardium Data Encryption
Classifications
CWE-306, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 7, 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=3.0.0.2
  2. Affected versionversion=4.0.0.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · Guardium Data Encryptionversion=3.0.0.2; version=4.0.0.4

Published CVSS scores

6.5IBMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1190Exploit Public-Facing Application

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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