Improper authentication in NEC Corporation Multiple NEC products where Baseboard…
Priority MEDIUM 48CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
EPSS 0.03222 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| 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 | — | No fix listed | CNA |
- Multiple NEC products where Baseboard Management Controller (BMC) firmware Rev1.09 and earlier is applied VendorNEC Corporation Affected Express5800/T110j, Express5800/T110j-S, Express5800/T110j (2nd-Gen), Express5800/T110j-S (2nd-Gen), iStorage NS100Ti, and Express5800/GT110j Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:nec:baseboard_management_controller:*:*:*:*:*:*:*:* | up to 1.09 | Vulnerable | NEC Corporation |
| cpe:2.3:h:nec:express5800\/gt110j:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:h:nec:express5800\/t110j:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:h:nec:express5800\/t110j-s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:h:nec:express5800\/t110j-s_\(2nd-gen\):-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:h:nec:express5800\/t110j_\(2nd-gen\):-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:h:nec:istorage_ns100ti:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
- cpe:2.3:o:nec:baseboard_management_controller:*:*:*:*:*:*:*:* Versions up to 1.09 Vulnerable ·NEC Corporation
- cpe:2.3:h:nec:express5800\/gt110j:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:h:nec:express5800\/t110j:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:h:nec:express5800\/t110j-s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:h:nec:express5800\/t110j-s_\(2nd-gen\):-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:h:nec:express5800\/t110j_\(2nd-gen\):-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:h:nec:istorage_ns100ti:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5633
- 2026-10-03 Alias added: GHSA-g89v-h54q-6rcc
References
Sources
- CVE-2020-5633 · CVE Program
- CVE-2020-5633 · NVD
- FIRST EPSS
- GHSA-g89v-h54q-6rcc · GitHub Advisory Database · CC BY 4.0
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