CVE-2021-29747

HIGHNVD 7.57.5—

7.5

IBM InfoSphere Information Server 11.7 could allow a remote attacker to obtain highly sensitive information due to a vulnerability in the authentication mechanism. IBM X-Force ID: 201775.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 66.0%
KEV: Not listed

Published

May 17, 2021

Last Modified

November 21, 2024

References (4)

psirt@ushttps://exchange.xforce.ibmcloud.com/vulnerabilities/201775
psirt@ushttps://www.ibm.com/support/pages/node/6453437
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/201775
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/6453437

Weakness Classification(1)

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

CWE-287Improper Authentication

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.

2026-06-05 22:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
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
2026-06-01 13:50 UTCepss_batch
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
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 16:29 UTCEG score recompute

Frequently asked(5)

What is CVE-2021-29747?

CVE-2021-29747 is a high vulnerability published on May 17, 2021. IBM InfoSphere Information Server 11.7 could allow a remote attacker to obtain highly sensitive information due to a vulnerability in the authentication mechanism. IBM X-Force ID: 201775.

When was CVE-2021-29747 disclosed?

CVE-2021-29747 was first published in the National Vulnerability Database on May 17, 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-2021-29747 actively exploited?

CVE-2021-29747 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-29747?

CVE-2021-29747 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-29747?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-29747, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-29747

Explore →

Is Your Infrastructure Affected by CVE-2021-29747?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2021-29747

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-29747?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)