High severity · published Jan 27, 2021
CVE-2021-22655
Multiple out-of-bounds read issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow…
7.8
CVSS
1.2%
EPSS
No
On KEV
Description
Multiple out-of-bounds read issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VS
V-server · Fujielectric
before 4.0.10.0 · source: NVD
VS
V-simulator · Fujielectric
before 4.0.10.0 · source: NVD
Affected product
VS
V-server
Fujielectric
More from V-server
9.8
CVE-2019-18240
In Fuji Electric V-Server 4.0.6 and prior, several heap-based buffer overflows have been identified, which may allow an attacker to remotely execute arbitrary code
9.8
CVE-2019-3947
Fuji Electric V-Server before 6.0.33.0 stores database credentials in project files as plaintext
7.8
CVE-2024-38658
There is an Out-of-bounds read vulnerability in V-Server (v4.0.19.0 and earlier) and V-Server Lite (v4.0.19.0 and earlier)
7.8
CVE-2023-47586
Multiple heap-based buffer overflow vulnerabilities exist in V-Server V4.0.18.0 and earlier and V-Server Lite V4.0.18.0 and earlier
7.8
CVE-2023-47585
Out-of-bounds read vulnerability exists in V-Server V4.0.18.0 and earlier and V-Server Lite V4.0.18.0 and earlier