What’s Vulnerable › Vulnerabilities

CVE-2020-14215

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-21 · updated 2026-06-17
• Weakness: CWE-269

Description

Zulip Server before 2.1.5 has Incorrect Access Control because 0198_preregistrationuser_invited_as adds the administrator role to invitations.

Affected products

• zulip: before 2.1.5 — fixed in 2.1.5

How to fix

Upgrade to a fixed version: zulip 2.1.5. Check the vendor advisory for mitigations.

References

• https://blog.zulip.com/2020/06/17/zulip-server-2-1-5-security-release/
• https://blog.zulip.com/2020/06/17/zulip-server-2-1-5-security-release/

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