How severe is CVE-2020-4921?

CVE-2020-4921 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4921 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4921?

CVE-2020-4921 primarily affects Ibm Security Guardium. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4921?

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-2020-4921 published?

CVE-2020-4921 was published on 2021-01-20 and last updated on 2026-06-17.

CVE-2020-4921

CVE-2020-4921 is a high-severity vulnerability in Ibm Security Guardium with a CVSS 3.x base score of 8.8. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Ibm Security Guardium
Published: 2021-01-20
Last modified: 2026-06-17

Description

IBM Security Guardium 10.6 and 11.2 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify or delete information in the back-end database. IBM X-Force ID: 191398.

Frequently asked questions

What is CVE-2020-4921?: IBM Security Guardium 10.6 and 11.2 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify or delete information in the back-end database. IBM X-Force ID: 191398.
How severe is CVE-2020-4921?: CVE-2020-4921 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4921 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4921?: CVE-2020-4921 primarily affects Ibm Security Guardium. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4921?: 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-2020-4921 published?: CVE-2020-4921 was published on 2021-01-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:security_guardium:10.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:security_guardium:11.2:*:*:*:*:*:*:*

More vulnerabilities in Ibm Security Guardium

CVE-2023-35893 — Critical (CVSS 9.9): IBM Security Guardium 10.6, 11.3, 11.4, and 11.5 could allow a remote authenticated attacker to execute arbitrary…
CVE-2017-1253 — Critical (CVSS 9.9): IBM Security Guardium 10.0 could allow a remote authenticated attacker to execute arbitrary commands on the system. By…
CVE-2020-4690 — Critical (CVSS 9.8): IBM Security Guardium 11.3 contains hard-coded credentials, such as a password or cryptographic key, which it uses for…
CVE-2021-20418 — Critical (CVSS 9.8): IBM Security Guardium 11.2 does not require that users should have strong passwords by default, which makes it easier…
CVE-2021-20426 — Critical (CVSS 9.8): IBM Security Guardium 11.2 contains hard-coded credentials, such as a password or cryptographic key, which it uses for…
CVE-2020-4193 — Critical (CVSS 9.8): IBM Security Guardium 11.1 uses an inadequate account lockout setting that could allow a remote attacker to brute force…

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