CVE-2020-4839 — MEDIUM (4.9)

Vulnerability Description

IBM Host firmware for LC-class Systems is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A remote privileged attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 190037.

CVSS Score

4.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ibm	8335-Gca Firmware	op820
Ibm	8335-Gca	-
Ibm	8335-Gta Firmware	op820
Ibm	8335-Gta	-
Ibm	8335-Gtb Firmware	op820
Ibm	8335-Gtb	-

Related Weaknesses (CWE)

CWE-787

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/190037VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6454303Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/190037VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6454303Vendor Advisory

FAQ

What is CVE-2020-4839?

CVE-2020-4839 is a vulnerability with a CVSS score of 4.9 (MEDIUM). IBM Host firmware for LC-class Systems is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A remote privileged attacker could exploit this vulnerability and cause a den...

How severe is CVE-2020-4839?

CVE-2020-4839 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-4839?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm 8335-Gca Firmware, Ibm 8335-Gca, Ibm 8335-Gta Firmware, Ibm 8335-Gta, Ibm 8335-Gtb Firmware.