CVE-2020-4355 — MEDIUM (5.3)

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Ibm	Db2	9.7.0.0
Linux	Linux Kernel	-
Microsoft	Windows	-

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/178507VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6242350PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/178507VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6242350PatchVendor Advisory

FAQ

What is CVE-2020-4355?

CVE-2020-4355 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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) renego...

How severe is CVE-2020-4355?

CVE-2020-4355 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-4355?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Db2, Linux Linux Kernel, Microsoft Windows.