Is CVE-2021-39304 in the CISA KEV catalog?

No. CVE-2021-39304 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39304?

CVE-2021-39304 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-39304?

CVE-2021-39304 has an EPSS score of 0.98% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39304?

Upgrade enterprise protection to 8.12.0-2108090000 or later.

CVE & CISA-KEV Catalog

CVE-2021-39304

HIGH

7.5

CVSS v3

NVD

Description

Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.

How to fix

Remediation Available

enterprise protectionNVD

Affected:>= 8.12.0-2107140000, < 8.12.0-2108090000Fixed in:8.12.0-2108090000CVE-2021-39304derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.98%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Vendor Advisory2

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.