How severe is CVE-2021-38859?

CVE-2021-38859 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-38859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38859?

CVE-2021-38859 affects Ibm Security Verify Privilege On-premises. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38859?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-38859 published?

CVE-2021-38859 was published on 2023-10-17 and last updated on 2026-06-17.

CVE-2021-38859

CVE-2021-38859 is a medium-severity vulnerability in Ibm Security Verify Privilege On-premises with a CVSS 3.x base score of 4.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Security Verify Privilege On-premises
Published: 2023-10-17
Last modified: 2026-06-17

Description

IBM Security Verify Privilege On-Premises 11.5 could allow a user to obtain version number information using a specially crafted HTTP request that could be used in further attacks against the system. IBM X-Force ID: 207899.

Frequently asked questions

What is CVE-2021-38859?: IBM Security Verify Privilege On-Premises 11.5 could allow a user to obtain version number information using a specially crafted HTTP request that could be used in further attacks against the system. IBM X-Force ID: 207899.
How severe is CVE-2021-38859?: CVE-2021-38859 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-38859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38859?: CVE-2021-38859 affects Ibm Security Verify Privilege On-premises. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38859 published?: CVE-2021-38859 was published on 2023-10-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_verify_privilege_on-premises:*:*:*:*:*:*:*:*

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