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Vulnerability record · CVE-2012-1977 · published 9 May 2012

CVE-2012-1977: Wellintech kingview missing encryption vulnerability

Wellintech · Kingview

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.

7.1 CVSS 2.0 High EPSS 0.79% · top 45.5% CWE-311 · Missing encryptionCWE-255 · CWE-255
7.1CVSS 2.0 base score
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:C/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cisa.gov/news-events/ics-advisories/icsa-12-129-01
http://dsecrg.com/pages/vul/show.php?id=405
http://www.us-cert.gov/control_systems/pdf/ICSA-12-129-01.pdf Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2012-4711WellinTech KingView kingMess.exe buffer overflow via crafted packetA buffer overflow exists in kingMess.exe in WellinTech KingView 6.52, 6.53 and 6.55. A crafted packet can corrupt memory, allowing remote code execut…EPSS 61%analysed10.0CVE-2012-1830Wellintech kingview memory buffer overflow vulnerabilityStack-based buffer overflow in WellinTech KingView 6.53 allows remote attackers to execute arbitrary code via a crafted packet to TCP port 555.EPSS 7.7%10.0CVE-2012-1831Wellintech kingview memory buffer overflow vulnerabilityHeap-based buffer overflow in WellinTech KingView 6.53 allows remote attackers to execute arbitrary code via a crafted packet to TCP port 555.EPSS 16%10.0CVE-2012-1832Wellintech kingview memory buffer overflow vulnerabilityWellinTech KingView 6.53 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via a crafted packet to …EPSS 5.9%10.0CVE-2011-4536Wellintech kingview memory buffer overflow vulnerabilityHeap-based buffer overflow in nettransdll.dll in HistorySvr.exe (aka HistoryServer.exe) in WellinTech KingView 6.53 and 65.30.2010.18018 allows remot…EPSS 8.5%10.0CVE-2011-3142Wellintech kingview memory buffer overflow vulnerabilityStack-based buffer overflow in an ActiveX control in KVWebSvr.dll in WellinTech KingView 6.52 and 6.53 allows remote attackers to execute arbitrary c…EPSS 38%10.0CVE-2011-0406Wellintech kingview memory buffer overflow vulnerabilityHeap-based buffer overflow in HistorySvr.exe in WellinTech KingView 6.53 allows remote attackers to execute arbitrary code via a long request to TCP …EPSS 21%9.3CVE-2012-1819Wellintech kingview vulnerabilityUntrusted search path vulnerability in WellinTech KingView 6.53 allows local users to gain privileges via a Trojan horse DLL in the current working d…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2012-1977), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.