Vulnerability DatabaseCVE-2020-7693
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CVE-2020-7693
Published:July 09, 2020
Updated:July 18, 2026
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.
Affected Packages
sockjs (NPM):
Affected version(s) >=0.0.0-rc1 <0.3.20
Fix Suggestion:
Update to version 0.3.20
Related Resources (6)
https://www.npmjs.com/package/sockjs
https://github.com/andsnw/sockjs-dos-py
https://github.com/sockjs/sockjs-node/commit/dd7e642cd69ee74385825816d30642c43e051d16
https://github.com/sockjs/sockjs-node/issues/252
https://nvd.nist.gov/vuln/detail/CVE-2020-7693
https://github.com/sockjs/sockjs-node/pull/265
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CVSS v4
Base Score:
5.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Improper Input Validation
CWE-20
Improper Handling of Exceptional Conditions
CWE-755
EPSS
Base Score:
4.98