CVE-2021-29868

Local information disclosure via unexpired sessions

Published Oct 27, 2021 · Updated Sep 17, 2024

Insufficient session expiration in IBM i2 iBase 8.9.13 and 9.0.0 allows local users to obtain sensitive information. IBM has not identified the affected session-handling component or disclosed how expired session state remains usable or exposes data. Exploitation requires local access, and the published impact is limited to confidentiality; no integrity loss or service interruption is reported.

CVSS severity4.0
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient session expiration in IBM i2 iBase 8.9.13 and 9.0.0 allows local users to obtain sensitive information. IBM has not identified the affected session-handling component or disclosed how expired session state remains usable or exposes data. Exploitation requires local access, and the published impact is limited to confidentiality; no integrity loss or service interruption is reported.

The record

CVE
CVE-2021-29868
Published
Oct 27, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
i2 iBase
Classifications
CWE-613
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 27, 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=8.9.13
  2. Affected versionversion=9.0.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · i2 iBaseversion=8.9.13; version=9.0.0

Published CVSS scores

2.1NIST NVDAV:L/AC:L/Au:N/C:P/I:N/A:N
4.0IBM CorporationCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-613Insufficient Session Expiration

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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