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CVE Record

CVE-2021-29706: IBM AIX 7.1 could allow a non-privileged local user to exploit a vulnerability in the trace facility to exp...

IBM AIX 7.1 could allow a non-privileged local user to exploit a vulnerability in the trace facility to expose sensitive information or cause a denial of service. IBM X-Force ID: 200663.

MediumCVSS 6.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-29706 is a local IBM AIX 7.1 issue in the trace facility. A non-privileged local user could expose sensitive information or disrupt the system, causing denial of service. This is most urgent where AIX 7.1 hosts are shared, multi-user, or support critical operations.

Executive priority

Treat as a moderate operational risk. It is not described as remotely exploitable, but affected AIX 7.1 systems with local users could suffer service disruption or sensitive information exposure.

Technical view

The CVE describes an IBM AIX 7.1 trace facility vulnerability with local attack vector, low complexity, no user interaction, low confidentiality impact, and high availability impact. CVSS v3.0 score is 6.8. The supplied CVSS vector lists privileges required as none, while the description says a non-privileged local user.

Likely exposure

Exposure appears limited to IBM AIX 7.1 systems where untrusted or lower-privileged users can access the host locally. Internet-facing exposure is not indicated by the sources because the attack vector is local.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. Public details are limited to IBM and CVE descriptions, so avoid assuming exploit availability beyond the stated local information disclosure and denial-of-service risk.

Researcher notes

Key gaps are exploit detail, exact fixed levels, and mitigation specifics in the supplied bundle. Validate against IBM support notice and X-Force entry before closing. The CVSS vector and narrative should be reconciled because both imply local access, but privilege wording differs.

Mitigation direction

  • Identify all IBM AIX 7.1 systems in production and support environments.
  • Review IBM advisory guidance for CVE-2021-29706 and apply listed fixes.
  • Limit nonessential local access to AIX 7.1 hosts until remediation is complete.
  • Prioritize systems supporting critical workloads or shared user access.

Validation and detection

  • Confirm whether each AIX host is version 7.1.
  • Check installed maintenance or fix levels against IBM advisory guidance.
  • Review whether low-privileged local users can access affected systems.
  • Track remediation status and retest after applying IBM guidance.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2021-29706 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/PR:N/AC:L/I:N/S:U/AV:L/C:L/UI:N/A:H/E:U/RL:O/RC:C

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.8CVSS 3.0MediumCVSS:3.0/PR:N/AC:L/I:N/S:U/AV:L/C:L/UI:N/A:H/E:U/RL:O/RC:C2.54.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.8Medium
CVSS 3.0 vector shape for CVE-2021-29706Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/PR:N/AC:L/I:N/S:U/AV:L/C:L/UI:N/A:H/E:U/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMAIX7.1Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.