CVE-2020-14194
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
- Record
CVE-2020-14194- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
- Record
CVE-2020-14194- Updated
- 2026-11-02
EUVDEUVD-2020-6350 No score
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
- Record
EUVD-2020-6350- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r3h7-q69r-j2c6 No score
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
- Record
GHSA-r3h7-q69r-j2c6- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
- Record
CVE-2020-14194- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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-2020-14194 is a medium vulnerability (CVSS 5.4) in Zulip Server, published August 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 52nd percentile. No source names a fixed version.