Cyber Resilience

CVE-2021-33037

Medium

Published: 12 July 2021

Published
12 July 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0186 83.5th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33037 is a medium-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Mcafee Epolicy Orchestrator. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 16.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat…

more

incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.

CWE(s)
CWE-444

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apache
tomcat
8.5.0 — 8.5.66 · 9.0.0 — 9.0.46 · 10.0.0 — 10.0.6
apache
tomee
8.0.6
debian
debian linux
10.0, 9.0
oracle
agile plm
9.3.6
oracle
communications cloud native core policy
1.14.0
oracle
communications cloud native core service communication proxy
1.14.0
oracle
communications diameter signaling router
8.0.0.0 — 8.5.0.2
oracle
communications instant messaging server
10.0.1.5.0
oracle
communications policy management
12.5.0
oracle
communications pricing design center
12.0.0.3.0
+12 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References