How severe is CVE-2012-1977?

CVE-2012-1977 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2012-1977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1977?

CVE-2012-1977 affects Wellintech Kingview. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-1977?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-1977 published?

CVE-2012-1977 was published on 2012-05-09 and last updated on 2026-06-16.

CVE-2012-1977

CVE-2012-1977 is a high-severity vulnerability in Wellintech Kingview with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-311.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Wellintech Kingview
Published: 2012-05-09
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-1977?: 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.
How severe is CVE-2012-1977?: CVE-2012-1977 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2012-1977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1977?: CVE-2012-1977 affects Wellintech Kingview. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-1977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-1977 published?: CVE-2012-1977 was published on 2012-05-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:wellintech:kingview:3.0:*:*:*:*:*:*:*

More vulnerabilities in Wellintech Kingview

CVE-2012-4711 — Critical (CVSS 10.0): Buffer overflow in kingMess.exe 65.20.2003.10300 in WellinTech KingView 6.52, kingMess.exe 65.20.2003.10400 in KingView…
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CVE-2011-3142 — Critical (CVSS 10.0): Stack-based buffer overflow in an ActiveX control in KVWebSvr.dll in WellinTech KingView 6.52 and 6.53 allows remote…

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