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01 Record

CVE-2021-22637

Multiple stack-based buffer overflow 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

UnratedPUBLISHEDCNA: icscert
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

Multiple stack-based buffer overflow 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.23% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 82.6% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-01-27 19:09Z5 YR AGO
Last updated
2024-08-03 18:44Z2 YR AGO
Reserved
2021-01-05
Assigning CNA
icscert
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-121Stack-based Buffer OverflowVariant
  • CWE-787Out-of-bounds WriteBase
Data version
5.1
Document digest
5991ff67ce049647dd72034d746fc40d26ba96d1000b39eda9dd21a9a781b745

05 Affected products

VendorProductVersionsPlatforms
n/aTellus Lite V-Simulator and V-Server LiteVersions prior to 4.0.10.0—

06 References