HOMEVULNERABILITIESCVE-2022-2764
MEDIUM

CVE-2022-2764

CWE-400Published: September 1, 2022· Updated: Jun 17, 2026

4.9
CVSS v3.1

Official Description

A flaw was found in Undertow. Denial of service can be achieved as Undertow server waits for the LAST_CHUNK forever for EJB invocations.

NVD Source

Technical Analysis

CVE-2022-2764 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 4.9.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

netapp4 product(s)
active iq unified managercloud secure agentoncommand insightoncommand workflow automation
Red Hat5 product(s)
integration camel kjboss enterprise application platformjboss fusesingle sign-onundertow
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2022-2764
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessCWE-400
CISA KEVNo
Affected2 vendor(s)
PublishedSep 1, 2022

Related CVEs (CWE-400)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-2764 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.