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Vulnerability · Published Jan 13, 2021 · Assigned by jpcert

CVE-2020-5633

Critical 9.8

In plain English

A critical-severity security flaw in Multiple NEC products where Baseboard Management Controller (BMC) firmware Rev1.09 and earlier is applied from NEC Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.2%top 11.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Multiple NEC products (Express5800/T110j, Express5800/T110j-S, Express5800/T110j (2nd-Gen), Express5800/T110j-S (2nd-Gen), iStorage NS100Ti, and Express5800/GT110j) where Baseboard Management Controller (BMC) firmware Rev1.09 and earlier is applied allows remote attackers to bypass authentication and then obtain/modify BMC setting information, obtain monitoring information, or reboot/shut down the vulnerable product via unspecified vectors.

Affected products (as reported)

VendorProductVersions
NEC Corporation Multiple NEC products where Baseboard Management Controller (BMC) firmware Rev1.09 and earlier is applied Express5800/T110j, Express5800/T110j-S, Express5800/T110j (2nd-Gen), Express5800/T110j-S (2nd-Gen), iStorage NS100Ti, and Express5800/GT110j

References