CVE-2018-17938
Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.3
Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
- Record
CVE-2018-17938- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-345
- Updated
- 2026-11-02
CVE List No score
Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
- Record
CVE-2018-17938- Updated
- 2026-11-02
EUVDEUVD-2018-9679 No score
Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
- Record
EUVD-2018-9679- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-64m7-g2xc-j9f9
5.3
Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
- Record
GHSA-64m7-g2xc-j9f9- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-345
- Updated
- 2026-11-02
OSV
5.3
Zimbra Collaboration before 8.8.10 GA allows text content spoofing via a loginErrorCode value.
- Record
CVE-2018-17938- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-17938 is a medium vulnerability (CVSS 5.3) in Synacor Zimbra Collaboration Suite, published October 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.