How severe is CVE-2021-20416?

CVE-2021-20416 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-2021-20416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20416?

CVE-2021-20416 primarily affects Ibm Guardium Data Encryption. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-20416?

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

When was CVE-2021-20416 published?

CVE-2021-20416 was published on 2021-07-07 and last updated on 2026-06-17.

CVE-2021-20416

CVE-2021-20416 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Ibm Guardium Data Encryption
Published: 2021-07-07
Last modified: 2026-06-17

Description

IBM Guardium Data Encryption (GDE) 3.0.0.3 and 4.0.0.4 could allow a remote attacker to obtain sensitive information, caused by the failure to set the HTTPOnly flag. A remote attacker could exploit this vulnerability to obtain sensitive information from the cookie. IBM X-Force ID: 196218.

Frequently asked questions

What is CVE-2021-20416?: IBM Guardium Data Encryption (GDE) 3.0.0.3 and 4.0.0.4 could allow a remote attacker to obtain sensitive information, caused by the failure to set the HTTPOnly flag. A remote attacker could exploit this vulnerability to obtain sensitive information from the cookie. IBM X-Force ID: 196218.
How severe is CVE-2021-20416?: CVE-2021-20416 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-2021-20416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20416?: CVE-2021-20416 primarily affects Ibm Guardium Data Encryption. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-20416?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-20416 published?: CVE-2021-20416 was published on 2021-07-07 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:guardium_data_encryption:3.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:guardium_data_encryption:4.0.0.4:*:*:*:*:*:*:*

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