How severe is CVE-2021-38921?

CVE-2021-38921 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-2021-38921 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38921?

CVE-2021-38921 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-2021-38921?

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-2021-38921 published?

CVE-2021-38921 was published on 2022-01-10 and last updated on 2026-06-17.

CVE-2021-38921

CVE-2021-38921 is a high-severity vulnerability in Ibm Security Verify Access 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-327.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
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 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 210067.

Frequently asked questions

What is CVE-2021-38921?: IBM Security Verify 10.0.0, 10.0.1.0, and 10.0.2.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 210067.
How severe is CVE-2021-38921?: CVE-2021-38921 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-2021-38921 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38921?: CVE-2021-38921 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-2021-38921?: 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-2021-38921 published?: CVE-2021-38921 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:*:*:*:*:*:*:*

More vulnerabilities in Ibm Security Verify Access

CVE-2024-49803 — Critical (CVSS 9.8): IBM Security Verify Access Appliance 10.0.0 through 10.0.8 could allow a remote authenticated attacker to execute…
CVE-2021-39070 — Critical (CVSS 9.8): IBM Security Verify Access 10.0.0.0, 10.0.1.0 and 10.0.2.0 with the advanced access control authentication service…
CVE-2020-4499 — Critical (CVSS 9.8): IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client…
CVE-2024-49806 — Critical (CVSS 9.4): IBM Security Verify Access Appliance 10.0.0 through 10.0.8 contains hard-coded credentials, such as a password or…
CVE-2024-49805 — Critical (CVSS 9.4): IBM Security Verify Access Appliance 10.0.0 through 10.0.8 contains hard-coded credentials, such as a password or…
CVE-2026-1346 — Critical (CVSS 9.3): IBM Verify Identity Access Container 11.0 through 11.0.2 and IBM Security Verify Access Container 10.0 through 10.0.9.1…

All CVEs affecting Ibm Security Verify Access →

Other CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) vulnerabilities

CVE-2026-50086 — Critical (CVSS 10.0): The Aqara IAM/SSO gateway (gw-builder.aqara.com) exposes bidirectional AES round-trups against the platform's signing…
CVE-2026-21718 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, enabling any attackers to…
CVE-2025-54426 — Critical (CVSS 9.9): Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. In versions prior to commit…
CVE-2024-51478 — Critical (CVSS 9.9): YesWiki is a wiki system written in PHP. Prior to 4.4.5, the use of a weak cryptographic algorithm and a hard-coded…
CVE-2026-28252 — Critical (CVSS 9.8): A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge…
CVE-2025-13476 — Critical (CVSS 9.8): Rakuten Viber Cloak mode in Android v25.7.2.0g and Windows v25.6.0.0–v25.8.1.0 uses a static and predictable TLS…

Browse all CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) vulnerabilities →