CVE-2021-39025Network attack vector

Unauthenticated internal IP address disclosure

Published Mar 10, 2022 · Updated Sep 17, 2024

Information disclosure in IBM Guardium Data Encryption 4.0.0.0 and 5.0.0.0 allows remote attackers to read internal IP addresses. IBM has not published the affected web endpoint or the operation that exposes the address when the web backend is unavailable. Exploitation requires network access and the backend-down state; the reported consequence is limited to internal IP-address disclosure.

CVSS severity5.3
Medium
EPSS probability0.58%
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 Guardium Data Encryption 4.0.0.0 and 5.0.0.0 allows remote attackers to read internal IP addresses. IBM has not published the affected web endpoint or the operation that exposes the address when the web backend is unavailable. Exploitation requires network access and the backend-down state; the reported consequence is limited to internal IP-address disclosure.

The record

CVE
CVE-2021-39025
Published
Mar 10, 2022
Updated
Sep 17, 2024
Vendor
IBM
Product
IBM Guardium Data Encryption
Classifications
T1592
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 10, 2022CVE 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=4.0.0.0
  2. Affected versionversion=5.0.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Guardium Data Encryptionversion=4.0.0.0; version=5.0.0.0

Published CVSS scores

5.3IBMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1592Gather Victim Host 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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