Medium severity4.9NVD Advisory· Published May 25, 2021· Updated Jun 17, 2026
CVE-2020-4839
CVE-2020-4839
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- cpe:2.3:o:ibm:8335-gca_firmware:op820:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:8335-gta_firmware:op820:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:8335-gtb_firmware:op820:*:*:*:*:*:*:*
- IBM/8335-GTBv5Range: OP820
- IBM/8335-GTAv5Range: OP820
- IBM/8335-GCAv5Range: OP820
Patches
Vulnerability mechanics
References
2- exchange.xforce.ibmcloud.com/vulnerabilities/190037nvdVDB EntryVendor Advisory
- www.ibm.com/support/pages/node/6454303nvdVendor Advisory
News mentions
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