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CVE-2026-3784

wrong proxy connection reuse with credentials

Published: Mar 11, 2026Updated: Jun 2, 2026 Sources: CVE List NVD BDU csafCWE-305
6.5MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 77.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

SINEC OS before V4.0 contains multiple vulnerabilities. Siemens has released a new version for RUGGEDCOM RST2428P and recommends to update to the latest version.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-305

Affected Products

Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
Daniel Stenberg
individual-devaka daniel.haxx.se, daniel stenberg (curl author)
cURLLibraryLibrary
OSS Libraries / generic-library
curl
oss-project·USaka libcurl, wcurl
curlLibraryLibrary
OSS Libraries / generic-library
haxx
oss-project·SEaka haxx.se
curl
OSS Libraries

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-3784?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://cert-portal.siemens.com/productcert/csaf/ssa-253495.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-253495.html
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-188-05.json
raw.githubusercontent.com
and 161 more references View all →

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