VulnerabilityModified
CVE-2020-7693
Incorrect handling of Upgrade header with the value websocket leads in crashing of containers hosting sockjs apps.
MEDIUM 5.3EPSS 4.98%
Does this matter?
Lower severity and a low EPSS score (4.98%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 4.98% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-755
- Affected
- sockjs project/sockjs
- Source
- report@snyk.io
EPSS 5.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/andsnw/sockjs-dos-pyExploit, Third Party Advisory
- https://github.com/sockjs/sockjs-node/commit/dd7e642cd69ee74385825816d30642c43e051d16Patch, Third Party Advisory
- https://github.com/sockjs/sockjs-node/issues/252Exploit, Patch, Third Party Advisory
- https://github.com/sockjs/sockjs-node/pull/265Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-575448Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-SOCKJS-575261Exploit, Third Party Advisory
- https://github.com/andsnw/sockjs-dos-pyExploit, Third Party Advisory
- https://github.com/sockjs/sockjs-node/commit/dd7e642cd69ee74385825816d30642c43e051d16Patch, Third Party Advisory
- https://github.com/sockjs/sockjs-node/issues/252Exploit, Patch, Third Party Advisory
- https://github.com/sockjs/sockjs-node/pull/265Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-575448Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-SOCKJS-575261Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.