CVE-2020-11640 | Elevation of Privilege

AdvaBuild uses a command queue to launch certain operations. An attacker who gains access to the command queue can use it to launch an attack by running any executable on the AdvaBuild node. The executables that can be run are not limited to AdvaBuild specific executables.  Improper Privilege Management vulnerability in ABB Advant MOD 300 AdvaBuild.This issue affects Advant MOD 300 AdvaBuild: from 3.0 through 3.7 SP2.

Published: 2024-07-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-11640 is rated Moderate Risk (45.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.37%). 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-2020-11640

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 2026-06-15 0.46% 0.37% -0.09%
2 2025-12-20 0.20% 0.46% +0.26%
3 2025-12-12 — 0.20% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-11640

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]

Weakness enumeration for CVE-2020-11640

Affected software / configurations for CVE-2020-11640

Vendor Product Version Raw CPE
abb advabuild >= 3.0, < 3.7 cpe:2.3:a:abb:advabuild:*:*:*:*:*:advant_mod_300:*:*
abb advabuild 3.7 cpe:2.3:a:abb:advabuild:3.7:-:*:*:*:advant_mod_300:*:*
abb advabuild 3.7 cpe:2.3:a:abb:advabuild:3.7:sp1:*:*:*:advant_mod_300:*:*
abb advabuild 3.7 cpe:2.3:a:abb:advabuild:3.7:sp2:*:*:*:advant_mod_300:*:*

References for CVE-2020-11640

cvelogic Threat Intelligence