CVE Tools
Sign in

CVE-2021-28165

Published: Apr 1, 2021Updated: Aug 27, 2025 Sources: CVE List NVD GHSA BDU csafCWE-400
7.5HIGH
NVD MITRE
EPSS Score
53.9%
Top 1.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

Description

In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-400CWE-551CWE-755

Affected Products

Oracle Corp.
commercial·USaka oracle
Oracle Communications Services GatekeeperOn-prem
Databases / relational
Oracle Communications Element ManagerOn-prem
Communications
Autovue for Agile Product Lifecycle ManagementOn-premWeb App
Enterprise Software / document-mgmt
Communications Cloud Native Core PolicyOn-premWeb App
Communications / messaging-chat
REST Data ServicesOn-premWeb App
Databases / db-tooling
Oracle Communications Session Report ManagerOn-premWeb App
Enterprise Software / itsm-monitoring
Oracle Communications Session Route ManagerOn-premWeb App
Communications / voip-telephony
Siebel CRMOn-premWeb App
Enterprise Software / crm
netapp
commercial·US
cloud manager
Hardware Firmware
e-series performance analyzer
Hardware Firmware
e-series santricity os controller
Hardware Firmware
e-series santricity storage
Hardware Firmware
e-series santricity web services
Hardware Firmware
ontap tools
Hardware Firmware
santricity cloud connector
Hardware Firmware
santricity web services proxy
Hardware Firmware
Eclipse Foundation
oss-project·DE
JettyOn-premWeb App
Networking Infrastructure / load-balancer-proxy
CD Foundation
oss-project·USaka cdu foundation, c d foundation
Jenkins
DevTools & CI
IBM Corp.
commercial·USaka ibm, ibm corporation
IBM QRadar SIEMOn-premSecurity Product
Security Products / siem-soar
АО «НППКТ»
commercial·RU
ОСОН ОСнова ОnyxOn-premOS
Operating Systems / linux-distro
and 15 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-28165?We'll check your whole external perimeter for exposure — free. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2021/04/20/3
openwall.com
https://safe-surf.ru/upload/VULN/VULN-20211206.4.pdf
safe-surf.ru
https://www.ibm.com/support/pages/node/6614725
ibm.com
and 333 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-28165 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows