Improper certificate validation in NEC Corporation Management software for NEC Storage…
Priority LOW 22CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.
Summary
iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate.
Why it matters now
EPSS 0.00335 27th 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 | Management software for NEC Storage disk array system | iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express | — | No fix listed | CNA |
- Management software for NEC Storage disk array system VendorNEC Corporation Affected iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nec:ism_server:*:*:*:*:*:*:*:* | 5.1 to before 12.1 | Vulnerable | NEC Corporation |
| cpe:2.3:h:nec:m120:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:h:nec:m12e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:h:nec:m320:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:h:nec:m320f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
- cpe:2.3:a:nec:ism_server:*:*:*:*:*:*:*:* Versions 5.1 to before 12.1 Vulnerable ·NEC Corporation
- cpe:2.3:h:nec:m120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:h:nec:m12e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:h:nec:m320:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:h:nec:m320f:-:*:*:*:*:*:*:* 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-2020-5684
- 2026-10-03 Alias added: GHSA-87vv-9cj6-q2hc
References
Sources
- CVE-2020-5684 · CVE Program
- CVE-2020-5684 · NVD
- FIRST EPSS
- GHSA-87vv-9cj6-q2hc · GitHub Advisory Database · CC BY 4.0
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