IBMFB8ACA5CECBC83CFC69E9D055E97BB3F9B9013DDC5C3781DA765C8C305C97C9FSecurity Bulletin: IBM Event Processing contains a vulnerability in Netty (CVE-2023-44487)
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 High
AI Score
Confidence
High
0.732 High
EPSS
Percentile
98.1%
Summary
Operator of IBM Event Processing contains a vulnerability in Netty(< 4.1.94) (CVE-2023-44487)
Vulnerability Details
CVEID:CVE-2023-44487
**DESCRIPTION:**Multiple vendors are vulnerable to a denial of service, caused by a flaw in handling multiplexed streams in the HTTP/2 protocol. By sending numerous HTTP/2 requests and RST_STREAM frames over multiple streams, a remote attacker could exploit this vulnerability to cause a denial of service due to server resource consumption.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268044 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| IBM Event Processing | 1.0.0-1.0.4 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by upgrading
Upgrade to IBM Event Processing 1.0.5 by following the upgrading and migrating documentation.
Workarounds and Mitigations
None
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| ibm event automation | eq | any |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 High
AI Score
Confidence
High
0.732 High
EPSS
Percentile
98.1%