How severe is CVE-2021-29737?

CVE-2021-29737 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-29737 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29737?

CVE-2021-29737 affects Ibm Infosphere Information Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29737?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-29737 published?

CVE-2021-29737 was published on 2021-11-02 and last updated on 2026-06-17.

CVE-2021-29737

CVE-2021-29737 is a high-severity vulnerability in Ibm Infosphere Information Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Ibm Infosphere Information Server
Published: 2021-11-02
Last modified: 2026-06-17

Description

IBM InfoSphere Data Flow Designer Engine (IBM InfoSphere Information Server 11.7 ) component has improper validation of the REST API server certificate. IBM X-Force ID: 201301.

Frequently asked questions

What is CVE-2021-29737?: IBM InfoSphere Data Flow Designer Engine (IBM InfoSphere Information Server 11.7 ) component has improper validation of the REST API server certificate. IBM X-Force ID: 201301.
How severe is CVE-2021-29737?: CVE-2021-29737 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-29737 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29737?: CVE-2021-29737 affects Ibm Infosphere Information Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29737?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-29737 published?: CVE-2021-29737 was published on 2021-11-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:infosphere_information_server:11.7:*:*:*:*:*:*:*

More vulnerabilities in Ibm Infosphere Information Server

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CVE-2012-0204 — Critical (CVSS 9.3): Untrusted search path vulnerability in InfoSphere Import Export Manager 8.1 through 9.1 in InfoSphere Information…

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