CVE-2020-12637
CRITICAL
9.8
CVSS Score
Published: May 9, 2020 at 04:23 PM UTC
Updated: June 17, 2026 at 02:52 AM UTC
1 product affected across 1 vendorZulip Desktop
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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.7%
Description
Zulip Desktop before 5.2.0 has Missing SSL Certificate Validation because all validation was inadvertently disabled during an attempt to recognize the ignoreCerts option.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
0.5.10 ≤ v < 5.2.0
Affected range stops below 5.2.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://blog.zulip.org/2020/05/06/zulip-desktop-5-2-0-security-release/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-295
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