CVE-2022-1794: codesys codesys opc da server Plaintext Storage of a Password
CVSS: 5.5v3.1MediumModified
Published 11-07-2022Last modified 16-09-2024
Vulnerability summary
CVE-2022-1794 is a medium (CVSS 5.5) Plaintext Storage of a Password vulnerability in codesys codesys opc da server. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.7% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-07-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
The CODESYS OPC DA Server prior V3.5.18.20 stores PLC passwords as plain text in its configuration file so that it is visible to all authorized Microsoft Windows users of the system.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Medium 4.7Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:C/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 20-09-2026
20-09-202620-10-2026
EPSS score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-256Plaintext Storage of a PasswordThe product stores a password in plaintext within resources such as memory or files.
- CWE-522Insufficiently Protected CredentialsThe product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Affected systems
Codesys2 products
- codesys opc da server≥ V3, ≤ V3.5.18.20
- opc_da_server≥ 3.0.0, < 3.5.18.20
1 vendor · 2 products