CVE-2020-5633
9.8
CRITICAL · CVSS 3.1 · EPSS 3.2% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.22% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-287 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-01-13 |
| Last modified | 2026-06-17 |
Affected (7)
| Vendor | Product |
|---|---|
| nec | baseboard management controller |
| nec | express5800\/gt110j |
| nec | express5800\/t110j |
| nec | express5800\/t110j \(2nd-gen\) |
| nec | express5800\/t110j-s |
| nec | express5800\/t110j-s \(2nd-gen\) |
| nec | istorage ns100ti |
References
- https://jpn.nec.com/security-info/secinfo/nv21-002.html
- https://jvn.jp/en/jp/JVN38752718/index.html
- https://www.support.nec.co.jp/View.aspx?id=9010108754
- https://jpn.nec.com/security-info/secinfo/nv21-002.html
- https://jvn.jp/en/jp/JVN38752718/index.html
- https://www.support.nec.co.jp/View.aspx?id=9010108754
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