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CVE-2018-20343

Multiple buffer overflow vulnerabilities have been found in Ken Silverman Build Engine 1. An...

7.8 HighPublic exploit

Multiple buffer overflow vulnerabilities have been found in Ken Silverman Build Engine 1. An attacker could craft a special map file to execute arbitrary code when the map file is loaded.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.22%Down 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

Multiple buffer overflow vulnerabilities have been found in Ken Silverman Build Engine 1. An attacker could craft a special map file to execute arbitrary code when the map file is loaded.

Record
CVE-2018-20343
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-120
Updated
2026-11-02
CVE List No score

Multiple buffer overflow vulnerabilities have been found in Ken Silverman Build Engine 1. An attacker could craft a special map file to execute arbitrary code when the map file is loaded.

Record
CVE-2018-20343
Updated
2026-11-02
EUVDEUVD-2018-12901 No score

Multiple buffer overflow vulnerabilities have been found in Ken Silverman Build Engine 1. An attacker could craft a special map file to execute arbitrary code when the map file is loaded.

Record
EUVD-2018-12901
Updated
2026-11-03
GitHub AdvisoriesGHSA-7qpv-j474-3p24 No score

Multiple buffer overflow vulnerabilities have been found in Ken Silverman Build Engine 1. An...

Multiple buffer overflow vulnerabilities have been found in Ken Silverman Build Engine 1. An attacker could craft a special map file to execute arbitrary code when the map file is loaded.

Record
GHSA-7qpv-j474-3p24
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubAlexandre-Bartel/CVE-2018-203432018-12-28

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-20343 is a high vulnerability (CVSS 7.8) in Advsys Build Engine, published March 2, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.22%, the 82nd percentile. No source names a fixed version.

References

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