CVE-2021-22959

Summary

The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.

Affected Software

VendorProductVersion RangeStatus
NodeJSNode4.0 < 4.*affected
NodeJSNode5.0 < 5.*affected
NodeJSNode6.0 < 6.*affected
NodeJSNode7.0 < 7.*affected
NodeJSNode8.0 < 8.*affected
NodeJSNode9.0 < 9.*affected
NodeJSNode10.0 < 10.*affected
NodeJSNode11.0 < 11.*affected
NodeJSNode12.0 < 12.22.7affected
NodeJSNode13.0 < 13.*affected
NodeJSNode14.0 < 14.18.1affected
NodeJSNode15.0 < 15.*affected
NodeJSNode16.0 < 16.11.1affected

Weaknesses

  • CWE-444: HTTP Request Smuggling (CWE-444)

ADP Enrichment

CVE Program Container

Additional References

References