How severe is CVE-2022-46334?

CVE-2022-46334 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-46334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46334?

CVE-2022-46334 affects Proofpoint Enterprise Protection. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-46334?

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-2022-46334 published?

CVE-2022-46334 was published on 2022-12-21 and last updated on 2026-06-17.

CVE-2022-46334

CVE-2022-46334 is a high-severity vulnerability in Proofpoint Enterprise Protection with a CVSS 3.x base score of 7.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Proofpoint Enterprise Protection
Published: 2022-12-21
Last modified: 2026-06-17

Description

Proofpoint Enterprise Protection (PPS/PoD) contains a vulnerability which allows the pps user to escalate to root privileges due to unnecessary permissions. This affects all versions 8.19.0 and below.

Frequently asked questions

What is CVE-2022-46334?: Proofpoint Enterprise Protection (PPS/PoD) contains a vulnerability which allows the pps user to escalate to root privileges due to unnecessary permissions. This affects all versions 8.19.0 and below.
How severe is CVE-2022-46334?: CVE-2022-46334 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-46334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46334?: CVE-2022-46334 affects Proofpoint Enterprise Protection. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-46334?: 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-2022-46334 published?: CVE-2022-46334 was published on 2022-12-21 and last updated on 2026-06-17.

References

https://www.proofpoint.com/security/security-advisories/pfpt-sa-2022-0004

Affected products (1)

cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:*:*:*:*

More vulnerabilities in Proofpoint Enterprise Protection

CVE-2023-0090 — Critical (CVSS 9.8): The webservices in Proofpoint Enterprise Protection (PPS/POD) contain a vulnerability that allows for an anonymous user…
CVE-2022-46332 — Critical (CVSS 9.6): The Admin Smart Search feature in Proofpoint Enterprise Protection (PPS/PoD) contains a stored cross-site scripting…
CVE-2023-0089 — High (CVSS 8.8): The webutils in Proofpoint Enterprise Protection (PPS/POD) contain a vulnerability that allows an authenticated user to…
CVE-2019-19680 — High (CVSS 8.8): A file-extension filtering vulnerability in Proofpoint Enterprise Protection (PPS / PoD), in the unpatched versions of…
CVE-2021-39304 — High (CVSS 7.5): Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
CVE-2022-46333 — High (CVSS 7.2): The admin user interface in Proofpoint Enterprise Protection (PPS/PoD) contains a command injection vulnerability that…

All CVEs affecting Proofpoint Enterprise Protection →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →