CVE-2020-14194
CVE-2020-14194 is a medium-severity vulnerability in Zulip Zulip Server with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-269
- Affected product: Zulip Zulip Server
- Published:
- Last modified:
Description
Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
Frequently asked questions
- What is CVE-2020-14194?
- Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.
- How severe is CVE-2020-14194?
- CVE-2020-14194 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-14194 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-14194?
- CVE-2020-14194 affects Zulip Zulip Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-14194?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-14194 published?
- CVE-2020-14194 was published on 2020-08-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
More vulnerabilities in Zulip Zulip Server
- CVE-2019-18933 — Critical (CVSS 9.8): In Zulip Server versions from 1.7.0 to before 2.0.7, a bug in the new user signup process meant that users who…
- CVE-2020-15070 — High (CVSS 8.8): Zulip Server 2.x before 2.1.7 allows eval injection if a privileged attacker were able to write directly to the…
- CVE-2017-0910 — High (CVSS 8.8): In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an…
- CVE-2025-31478 — High (CVSS 8.2): Zulip is an open-source team collaboration tool. Zulip supports a configuration where account creation is limited…
- CVE-2023-33186 — High (CVSS 8.2): Zulip is an open-source team collaboration tool with unique topic-based threading that combines the best of email and…
- CVE-2024-36612 — High (CVSS 7.5): Zulip from 8.0 to 8.3 contains a memory leak vulnerability in the handling of popovers.
All CVEs affecting Zulip Zulip Server →
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 →