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CVE-2020-5684
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…
Medium4.8EPSS 0.34%
- Published
- Updated
- Reserved
- Assigned by
- jpcert
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.34% · top 73% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Weakness
- Improper server certificate verification
- CWE-295 (opens in a new tab)All about CWE-295 and its CVEs
Affected products
NEC Corporation · Management software for NEC Storage disk array system
- affected iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express
References (2)
- https://jpn.nec.com/security-info/secinfo/nv20-015.html (opens in a new tab)x_refsource_MISCx_transferred
- https://jvn.jp/en/jp/JVN10100024/index.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-5684)Record last updated .