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TI-2021-03880 Aliases CVE-2021-20653GHSA-2h56-v244-fqpv

Incorrect default permissions in NEC Platforms, Ltd. Calsos CSDJ

Priority LOW 27CWE-276Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Calsos CSDJ (CSDJ-B 01.08.00 and earlier, CSDJ-H 01.08.00 and earlier, CSDJ-D 01.08.00 and earlier, and CSDJ-A 03.08.00 and earlier) allows remote attackers to bypass access restriction and to obtain unauthorized historical data without access privileges via unspecified vectors.

Why it matters now

EPSS 0.01234 69th 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

VendorProductAffected versionsFixed inStatusSource
NEC Platforms, Ltd.Calsos CSDJCSDJ-B 01.08.00 and earlier, CSDJ-H 01.08.00 and earlier, CSDJ-D 01.08.00 and earlier, and CSDJ-A 03.08.00 and earlier—No fix listedCNA
  • Calsos CSDJ VendorNEC Platforms, Ltd. Affected CSDJ-B 01.08.00 and earlier, CSDJ-H 01.08.00 and earlier, CSDJ-D 01.08.00 and earlier, and CSDJ-A 03.08.00 and earlier Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:nec:csdj-b_firmware:*:*:*:*:*:*:*:*up to 01.08.00VulnerableNEC Corporation
cpe:2.3:h:nec:csdj-b:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:csdj-h_firmware:*:*:*:*:*:*:*:*up to 01.08.00VulnerableNEC Corporation
cpe:2.3:h:nec:csdj-h:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:csdj-d_firmware:*:*:*:*:*:*:*:*up to 01.08.00VulnerableNEC Corporation
cpe:2.3:h:nec:csdj-d:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
cpe:2.3:o:nec:csdj-a_firmware:*:*:*:*:*:*:*:*up to 03.08.00VulnerableNEC Corporation
cpe:2.3:h:nec:csdj-a:-:*:*:*:*:*:*:*not specified by NVDRunning onNEC Corporation
  • cpe:2.3:o:nec:csdj-b_firmware:*:*:*:*:*:*:*:* Versions up to 01.08.00 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:csdj-b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:csdj-h_firmware:*:*:*:*:*:*:*:* Versions up to 01.08.00 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:csdj-h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:csdj-d_firmware:*:*:*:*:*:*:*:* Versions up to 01.08.00 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:csdj-d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
  • cpe:2.3:o:nec:csdj-a_firmware:*:*:*:*:*:*:*:* Versions up to 03.08.00 Vulnerable ·NEC Corporation
  • cpe:2.3:h:nec:csdj-a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20653
  2. 2026-10-03 Alias added: GHSA-2h56-v244-fqpv

References

Advisory 2

  • TI-2023-03494 OS command injection in NEC Platforms, Ltd. ITK-6DGS-1 TEL CVSS 3.1CRITICAL 9.8
  • TI-2024-02823 NEC Platforms DT900 and DT900S Series 5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20 allows an… CVSS 3.1CRITICAL 9.1
  • TI-2022-09210 OS command injection in NEC Platforms, Ltd. UNIVERGE DT CVSS 3.1CRITICAL 9.8
  • TI-2026-07601 OS command injection in NEC Platforms, Ltd. Aterm MR51FN CVSS 4.0HIGH 8.5
  • TI-2020-04602 OS command injection in NEC Corporation Aterm SA3500G CVSS 3.1HIGH 8.8
  • TI-2018-00570 Improper privilege management in NEC Platforms, Ltd. Calsos CSDX and CSDJ series products CVSS 3.0HIGH 8.8
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences