How severe is CVE-2021-4088?

CVE-2021-4088 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-4088 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4088?

CVE-2021-4088 primarily affects Mcafee Data Loss Prevention. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-4088?

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-2021-4088 published?

CVE-2021-4088 was published on 2022-01-24 and last updated on 2026-06-17.

CVE-2021-4088

CVE-2021-4088 is a high-severity vulnerability in Mcafee Data Loss Prevention with a CVSS 3.x base score of 8.4. 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 8.4)
CVSS v2: 6.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Mcafee Data Loss Prevention
Published: 2022-01-24
Last modified: 2026-06-17

Description

SQL injection vulnerability in Data Loss Protection (DLP) ePO extension 11.8.x prior to 11.8.100, 11.7.x prior to 11.7.101, and 11.6.401 allows a remote authenticated attacker to inject unfiltered SQL into the DLP part of the ePO database. This could lead to remote code execution on the ePO server with privilege escalation.

Frequently asked questions

What is CVE-2021-4088?: SQL injection vulnerability in Data Loss Protection (DLP) ePO extension 11.8.x prior to 11.8.100, 11.7.x prior to 11.7.101, and 11.6.401 allows a remote authenticated attacker to inject unfiltered SQL into the DLP part of the ePO database. This could lead to remote code execution on the ePO server with privilege escalation.
How severe is CVE-2021-4088?: CVE-2021-4088 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-4088 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4088?: CVE-2021-4088 primarily affects Mcafee Data Loss Prevention. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-4088?: 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-2021-4088 published?: CVE-2021-4088 was published on 2022-01-24 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10376

Affected products (2)

cpe:2.3:a:mcafee:data_loss_prevention:*:*:*:*:*:epolicy_orchestrator:*:*
cpe:2.3:a:mcafee:data_loss_prevention:11.6.401:*:*:*:*:epolicy_orchestrator:*:*

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