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
9.4 High
AI Score
Confidence
High
0.732 High
EPSS
Percentile
98.1%
The Webseal component of IBM Security Verify Access product is vulnerable to CVE-2023-44487, a flaw in handling multiplexed streams in the HTTP/2 protocol.
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 Product(s) | Version(s) |
---|---|
IBM Security Verify Access Docker | 10.0.X |
IBM Security Verify Access Appliance | 10.0.X |
IBM encourages customers to update their systems promptly.
IBM Security Verify Access (Docker Container)
Where [tag] is the latest published version and can be confirmed here.
For the ISAM/ISVA appliances
Affected Products and Versions
|
Fix availability
—|—
IBM Security Verify Access 10.0.X
|
None
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
9.4 High
AI Score
Confidence
High
0.732 High
EPSS
Percentile
98.1%