Denial of service (DoS) in sockjs
Priority LOW 32CWE-755Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
Incorrect handling of Upgrade header with the value websocket leads in crashing of containers hosting sockjs apps. This affects the package sockjs before 0.3.20.
Why it matters now
EPSS 0.04978 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial sockjs: 0.3.20sockjs (npm): 0.3.20Red Hat: 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | sockjs | before 0.3.20 | 0.3.20 | Patch available | CNA |
| — | sockjs (npm) | before 0.3.20 | 0.3.20 | Patch available | GHSA-c9g6-9335-x697 |
- sockjs Vendor— Affected before 0.3.20 Fixed in 0.3.20 Patch available CNA
- sockjs (npm) Vendor— Affected before 0.3.20 Fixed in 0.3.20 Patch available GHSA-c9g6-9335-x697
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sockjs_project:sockjs:*:*:*:*:*:node.js:*:* | before 0.3.20 | Vulnerable | Sockjs Project |
- cpe:2.3:a:sockjs_project:sockjs:*:*:*:*:*:node.js:*:* Versions before 0.3.20 Vulnerable ·Sockjs Project
Remediation
- Fix · CNA sockjs Fixed in 0.3.20
- Fix · GHSA-c9g6-9335-x697 sockjs (npm) Fixed in 0.3.20 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7693
- 2026-10-03 Alias added: GHSA-c9g6-9335-x697
References
Patch 2
More Sockjs Project Sockjs vulnerabilities
- TI-2020-07080 htmlfile in lib/transport/htmlfile.js in SockJS before 0.3.0 is vulnerable to Reflected… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-7693 · CVE Program
- CVE-2020-7693 · NVD
- FIRST EPSS
- GHSA-c9g6-9335-x697 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-7693 · Red Hat security data · CC BY 4.0
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