How severe is CVE-2020-10194?

CVE-2020-10194 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-10194 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10194?

CVE-2020-10194 primarily affects Zimbra Zm-mailbox. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10194?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-10194 published?

CVE-2020-10194 was published on 2020-03-20 and last updated on 2026-06-17.

CVE-2020-10194

CVE-2020-10194 is a medium-severity vulnerability in Zimbra Zm-mailbox with a CVSS 3.x base score of 6.5. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Zimbra Zm-mailbox
Published: 2020-03-20
Last modified: 2026-06-17

Description

cs/service/account/AutoCompleteGal.java in Zimbra zm-mailbox before 8.8.15.p8 allows authenticated users to request any GAL account. This differs from the intended behavior in which the domain of the authenticated user must match the domain of the galsync account in the request.

Frequently asked questions

What is CVE-2020-10194?: cs/service/account/AutoCompleteGal.java in Zimbra zm-mailbox before 8.8.15.p8 allows authenticated users to request any GAL account. This differs from the intended behavior in which the domain of the authenticated user must match the domain of the galsync account in the request.
How severe is CVE-2020-10194?: CVE-2020-10194 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-10194 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10194?: CVE-2020-10194 primarily affects Zimbra Zm-mailbox. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10194?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-10194 published?: CVE-2020-10194 was published on 2020-03-20 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:zimbra:zm-mailbox:*:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:zm-mailbox:8.8.15:-:*:*:*:*:*:*
cpe:2.3:a:zimbra:zm-mailbox:8.8.15:patch1:*:*:*:*:*:*
cpe:2.3:a:zimbra:zm-mailbox:8.8.15:patch2:*:*:*:*:*:*
cpe:2.3:a:zimbra:zm-mailbox:8.8.15:patch3:*:*:*:*:*:*
cpe:2.3:a:zimbra:zm-mailbox:8.8.15:patch4:*:*:*:*:*:*
cpe:2.3:a:zimbra:zm-mailbox:8.8.15:patch5:*:*:*:*:*:*
cpe:2.3:a:zimbra:zm-mailbox:8.8.15:patch6:*:*:*:*:*:*
cpe:2.3:a:zimbra:zm-mailbox:8.8.15:patch7:*:*:*:*:*:*

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