How severe is CVE-2022-37393?

CVE-2022-37393 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-2022-37393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-37393?

CVE-2022-37393 primarily affects Zimbra Collaboration. In total, 63 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-37393?

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-2022-37393 published?

CVE-2022-37393 was published on 2022-08-16 and last updated on 2026-06-17.

CVE-2022-37393

CVE-2022-37393 is a high-severity vulnerability in Zimbra Collaboration 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Zimbra Collaboration
Published: 2022-08-16
Last modified: 2026-06-17

Description

Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters. As part of its intended functionality, zmslapd can load a user-defined configuration file, which includes plugins in the form of .so files, which also execute as root.

Frequently asked questions

What is CVE-2022-37393?: Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters. As part of its intended functionality, zmslapd can load a user-defined configuration file, which includes plugins in the form of .so files, which also execute as root.
How severe is CVE-2022-37393?: CVE-2022-37393 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-2022-37393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-37393?: CVE-2022-37393 primarily affects Zimbra Collaboration. In total, 63 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-37393?: 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-2022-37393 published?: CVE-2022-37393 was published on 2022-08-16 and last updated on 2026-06-17.

References

Affected products (63)

cpe:2.3:a:zimbra:collaboration:8.7.6:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.7:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.9:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.10:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:-:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p1:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p10:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p11:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p12:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p13:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p14:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p15:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p2:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p3:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p4:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p5:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p6:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p7:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p8:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.7.11:p9:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.0:beta1:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.2:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.3:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.4:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.6:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.7:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.8:-:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.8:p1:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.8:p3:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.8:p4:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.8:p7:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.9:-:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.9:p1:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.9:p10:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.9:p3:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.10:-:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.10:p8:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.11:-:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.11:p3:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.11:p4:*:*:*:*:*:*

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