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CVE-2021-26828
CVE
High KEVConfirmedExploit available

OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows remote authenticated users to upload and execute arbitrary JSP …

CVSS
8.8
High
EPSS
0.39
p98
Published
2021-01-01
Updated
2025-12-03
Description

OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows remote authenticated users to upload and execute arbitrary JSP files via view_edit.shtm.

Tags · CWE
KEVFile upload
CWE-434
CAPEC-1
Affected products
ScadabrScadabr
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Timeline
2021-01-01
Published
2025-12-03
Added to KEV
2025-12-03
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: L
Low (L)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.394 · p98
Known exploited (KEV)
Yes
MITRE ATT&CK
Inferred via CAPEC
Known exploits — Сканер-ВС
CVE-2021-26828
github-poc · https://github.com/ridpath/CVE-2021-26828-Ultimate
Enterprise
Affected products
ProductVendorStatus
scadabr*Exploited
scadabr*Exploited
Source databases
CVE
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