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CVE-2020-4839

MEDIUMCVSS 4.9/10EPSS 1.52%

Last modified

CVE-2020-4839 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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. EPSS estimates a 1.52% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.9/10

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

EPSS Probability
1.52%

71.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Ibm8335-Gca Firmwareop820
Ibm8335-Gta Firmwareop820
Ibm8335-Gtb Firmwareop820

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-4839?
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.
How severe is CVE-2020-4839?
CVE-2020-4839 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.
How do I fix CVE-2020-4839?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-4839?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST