CVE-2012-4693

Invensys Wonderware InTouch 2012 R2 and earlier and Siemens ProcessSuite use a weak encryption algorithm for data in Ps_security.ini, which makes it easier for local users to discover passwords by reading this file.

Published: 2012-12-18 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4693 is rated Low Risk (14.8/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.08%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-4693

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.04% 0.08% +0.03%
2 2023-03-07 0.89% 0.04% -0.84%
3 2022-02-04 — 0.89% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4693

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
1.9 2.0 LOW
AV:L/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.4 2.9 [email protected]

Weakness enumeration for CVE-2012-4693

Affected software / configurations for CVE-2012-4693

Vendor Product Version Raw CPE
invensys wonderware_intouch <= 2012 cpe:2.3:a:invensys:wonderware_intouch:*:r2:*:*:*:*:*:*
siemens processsuite — cpe:2.3:a:siemens:processsuite:-:*:*:*:*:*:*:*

References for CVE-2012-4693

cvelogic Threat Intelligence