How severe is CVE-2021-29875?

CVE-2021-29875 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-2021-29875 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29875?

CVE-2021-29875 affects Ibm Infosphere Information Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29875?

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-2021-29875 published?

CVE-2021-29875 was published on 2021-11-02 and last updated on 2026-06-17.

CVE-2021-29875

CVE-2021-29875 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Infosphere Information Server
Published: 2021-11-02
Last modified: 2026-06-17

Description

IBM InfoSphere Information Server 11.7 could allow an attacker to obtain sensitive information due to a insecure third party domain access vulnerability. IBM X-Force ID: 206572.

Frequently asked questions

What is CVE-2021-29875?: IBM InfoSphere Information Server 11.7 could allow an attacker to obtain sensitive information due to a insecure third party domain access vulnerability. IBM X-Force ID: 206572.
How severe is CVE-2021-29875?: CVE-2021-29875 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-2021-29875 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29875?: CVE-2021-29875 affects Ibm Infosphere Information Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29875?: 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-2021-29875 published?: CVE-2021-29875 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:*:*:*:*:*:*:*

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