CVE-2021-29891

MEDIUMNVD 4.94.9—

4.9

IBM OPENBMC OP910 and OP940 could allow a privileged user to upload an improper site identity certificate that may cause it to lose network services. IBM X-Force ID: 207221.

CVSS v3: 4.9
EG Score: 4.9(medium)
EPSS: 31.6%
KEV: Not listed

Published

August 22, 2022

Last Modified

November 21, 2024

References (4)

psirt@ushttps://exchange.xforce.ibmcloud.com/vulnerabilities/207221
psirt@ushttps://www.ibm.com/support/pages/node/6614233
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/207221
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/6614233

Weakness Classification(1)

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

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 11× 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.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
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2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 16:46 UTCEG score recompute
2026-05-25 16:46 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-29891?

CVE-2021-29891 is a medium vulnerability published on August 22, 2022. IBM OPENBMC OP910 and OP940 could allow a privileged user to upload an improper site identity certificate that may cause it to lose network services. IBM X-Force ID: 207221.

When was CVE-2021-29891 disclosed?

CVE-2021-29891 was first published in the National Vulnerability Database on August 22, 2022, 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-2021-29891 actively exploited?

CVE-2021-29891 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-29891?

CVE-2021-29891 has a CVSS v3 base score of 4.9 (NVD).

How do I remediate CVE-2021-29891?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-29891, 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-2021-29891

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-29891?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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