How severe is CVE-2021-38956?

CVE-2021-38956 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-38956 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38956?

CVE-2021-38956 primarily affects Ibm Security Verify Access. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-38956?

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

When was CVE-2021-38956 published?

CVE-2021-38956 was published on 2022-01-10 and last updated on 2026-06-17.

CVE-2021-38956

CVE-2021-38956 is a medium-severity vulnerability in Ibm Security Verify Access with a CVSS 3.x base score of 5.3. 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 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Security Verify Access
Published: 2022-01-10
Last modified: 2026-06-17

Description

IBM Security Verify 10.0.0, 10.0.1.0, and 10.0.2.0 could disclose sensitive version information in HTTP response headers that could aid in further attacks against the system. IBM X-Force ID: 212038

Frequently asked questions

What is CVE-2021-38956?: IBM Security Verify 10.0.0, 10.0.1.0, and 10.0.2.0 could disclose sensitive version information in HTTP response headers that could aid in further attacks against the system. IBM X-Force ID: 212038
How severe is CVE-2021-38956?: CVE-2021-38956 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-38956 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38956?: CVE-2021-38956 primarily affects Ibm Security Verify Access. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-38956?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38956 published?: CVE-2021-38956 was published on 2022-01-10 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:security_verify_access:10.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access:10.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access:10.0.2.0:*:*:*:*:*:*:*

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