How severe is CVE-2021-39021?

CVE-2021-39021 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-2021-39021 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-2021-39021?

CVE-2021-39021 affects Ibm Guardium Data Encryption. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39021?

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

When was CVE-2021-39021 published?

CVE-2021-39021 was published on 2022-02-02 and last updated on 2026-06-17.

CVE-2021-39021

CVE-2021-39021 is a medium-severity vulnerability in Ibm Guardium Data Encryption 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-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Ibm Guardium Data Encryption
Published: 2022-02-02
Last modified: 2026-06-17

Description

IBM Guardium Data Encryption (GDE) 5.0.0.2 behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which could facilitate username enumeration. IBM X-Force ID: 213856.

Frequently asked questions

What is CVE-2021-39021?: IBM Guardium Data Encryption (GDE) 5.0.0.2 behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which could facilitate username enumeration. IBM X-Force ID: 213856.
How severe is CVE-2021-39021?: CVE-2021-39021 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-2021-39021 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-2021-39021?: CVE-2021-39021 affects Ibm Guardium Data Encryption. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39021 published?: CVE-2021-39021 was published on 2022-02-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:guardium_data_encryption:5.0.0.2:*:*:*:*:*:*:*

More vulnerabilities in Ibm Guardium Data Encryption

CVE-2019-4694 — Critical (CVSS 9.8): IBM Security Guardium Data Encryption (GDE) 3.0.0.2 contains hard-coded credentials, such as a password or…
CVE-2021-39022 — High (CVSS 8.8): IBM Guardium Data Encryption (GDE) 4.0.0.0 and 5.0.0.0 saves user-provided information into a Comma-Separated Value…
CVE-2021-20378 — High (CVSS 8.8): IBM Guardium Data Encryption (GDE) 3.0.0.2 and 4.0.0.4 does not invalidate session after logout which could allow an…
CVE-2019-4713 — High (CVSS 8.8): IBM Security Guardium Data Encryption (GDE) 3.0.0.2 could allow a remote authenticated attacker to execute arbitrary…
CVE-2021-39023 — High (CVSS 7.5): IBM Guardium Data Encryption (GDE) 4.0.0 and 5.0.0 could allow a remote attacker to obtain sensitive information when a…
CVE-2021-20474 — High (CVSS 7.5): IBM Guardium Data Encryption (GDE) 3.0.0.2 and 4.0.0.4 does not perform any authentication for functionality that…

All CVEs affecting Ibm Guardium Data Encryption →

Other CWE-203 (Observable Discrepancy) vulnerabilities

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Browse all CWE-203 (Observable Discrepancy) vulnerabilities →