CVE-2012-1977 | WellinTech KingSCADA Missing Encryption of Sensitive Data

WellinTech KingSCADA 3.0 uses a cleartext base64 format for storage of passwords in user.db, which allows context-dependent attackers to obtain sensitive information by reading this file.

Published: 2012-05-09 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-1977 is rated Moderate Risk (55.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.89%). Review affected assets and schedule remediation.

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-2012-1977

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 2026-02-10 0.29% 0.89% +0.59%
2 2024-09-17 0.37% 0.29% -0.07%
3 2024-03-15 — 0.37% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1977

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 6.9 [email protected]
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 6.9 [email protected]

Weakness enumeration for CVE-2012-1977

Affected software / configurations for CVE-2012-1977

Vendor Product Version Raw CPE
wellintech kingview 3.0 cpe:2.3:a:wellintech:kingview:3.0:*:*:*:*:*:*:*

References for CVE-2012-1977

cvelogic Threat Intelligence