CVE-2021-29693

MEDIUMNVD 4.44.4—

4.4

IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user that is in the with elevated group privileges to cause a denial of service due to a vulnerability in the lpd daemon. IBM X-Force ID: 200255.

CVSS v3: 4.4
EG Score: 4.4(medium)
EPSS: 27.7%
KEV: Not listed

Published

June 28, 2021

Last Modified

November 21, 2024

References (4)

psirt@ushttps://exchange.xforce.ibmcloud.com/vulnerabilities/200255
psirt@ushttps://www.ibm.com/support/pages/node/6467129
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/200255
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/6467129

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-269Improper Privilege Management

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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2026-05-26 14:23 UTCEG score recompute

Frequently asked(5)

What is CVE-2021-29693?

CVE-2021-29693 is a medium vulnerability published on June 28, 2021. IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user that is in the with elevated group privileges to cause a denial of service due to a vulnerability in the lpd daemon. IBM X-Force ID: 200255.

When was CVE-2021-29693 disclosed?

CVE-2021-29693 was first published in the National Vulnerability Database on June 28, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-29693 actively exploited?

CVE-2021-29693 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-29693?

CVE-2021-29693 has a CVSS v3 base score of 4.4 (NVD).

How do I remediate CVE-2021-29693?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-29693, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-29693

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-29693?

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Published

Last Modified

References (4)

Frequently asked(5)

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