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CVE-2021-38409

Fuji Electric Tellus Lite V-Simulator uninitialized pointer

High7.8EPSS 0.73%
Published
Updated
Reserved
Assigned by
icscert

Description

Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable to an access of uninitialized pointer, which may allow an attacker read from or write to unexpected memory locations, leading to a denial-of-service.

Timeline

  1. ID reserved

    By icscert

  2. · 4 months later

    Published

  3. · 3 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2021-38409, by who scored it
Scored byCVSSScoreVector
icscertCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.73% · top 45% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

Affected products

What to do

Solution: Fuji Electric recommends updating software to the latest version: TELLUS Lite software: Version 4.0.12.0 Disk1 TELLUS Lite software: Version 4.0.12.0 Disk2 V-Server Lite software: Version 4.0.12.0 Disk1 V-Server Lite software: Version 4.0.12.0 Disk2

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .