CVE-2021-29773Network attack vector

Sensitive data access and user modification via IDOR

Published Sep 15, 2021 · Updated Sep 17, 2024

Insecure direct object references in IBM Security Guardium 10.6 and 11.3 allow remote authenticated users to read sensitive data or modify user details. The Web GUI accepts a user-controlled object identifier without verifying that the authenticated account is authorized for the referenced record. A valid Guardium account and network access to the GUI are required; exposed data and modifiable user attributes are not publicly detailed.

CVSS severity5.4
Medium
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insecure direct object references in IBM Security Guardium 10.6 and 11.3 allow remote authenticated users to read sensitive data or modify user details. The Web GUI accepts a user-controlled object identifier without verifying that the authenticated account is authorized for the referenced record. A valid Guardium account and network access to the GUI are required; exposed data and modifiable user attributes are not publicly detailed.

The record

CVE
CVE-2021-29773
Published
Sep 15, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
IBM Security Guardium
Classifications
CWE-639, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 15, 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=10.6
  2. Affected versionversion=11.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM Security Guardiumversion=10.6; version=11.3

Published CVSS scores

5.5NIST National Vulnerability DatabaseAV:N/AC:L/Au:S/C:P/I:P/A:N
5.4IBM CorporationCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.4NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
4.7IBM CorporationCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1098Account Manipulation

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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