CVE-2021-29239: codesys development_system
CVSS: 7.8v3.1HighModified
Published 03-05-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-29239 is a high (CVSS 7.8) vulnerability in codesys development_system. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
0.00 pp
From 0.18% on 19-09-2026
19-09-202619-10-2026
EPSS score0.18%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Codesys1 product
- development_system≥ 3.0, < 3.5.17.0
1 vendor · 1 product