CVE-2020-4355

MEDIUM

IBM DB2 9.7, 10.1, 10.5, 11.1, 11.5 - Denial of Service via SSL Renegotiation Requests

Title source: llm
STIX 2.1

Description

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 is vulnerable to a denial of service, caused by improper handling of Secure Sockets Layer (SSL) renegotiation requests. By sending specially-crafted requests, a remote attacker could exploit this vulnerability to increase the resource usage on the system. IBM X-Force ID: 178507.

References (2)

Core 2
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6242350
VDB Entry, Vendor Advisory vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/178507

Scores

CVSS v3 5.3
EPSS 0.0216
EPSS Percentile 80.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

Status published
Products (5)
ibm/db2 9.7.0.0
ibm/db2 10.1.0.0
ibm/db2 10.5.0.0
ibm/db2 11.1.0.0
ibm/db2 11.5.0.0
Published Jul 01, 2020
Tracked Since Feb 18, 2026