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CVE-2020-27304

The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request...

Published: Oct 21, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-23
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
3.1%
Top 13.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

71 vulnerabilities in third-party components as Node.js, cURL, SQLite, CivetWeb and DNS(ISC BIND) could allow an attacker to interfere with the affected product in various ways. Siemens has released an update for SINEC INS and recommends to update to the latest versions.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-23CWE-22

Affected Products

SINEC INSSiemens AG
On-prem
Enterprise Software / collaboration-groupware
SCALANCE LPE9403Siemens AG
On-premNetwork Device
ICS / OT / IoT / industrial-network
CivetWebСообщество свободного программного обеспечения
On-prem
Operating Systems / linux-distro
civetwebcivetweb_project
Library
OSS Libraries / web-framework
civetwebcivetweb project
Library
OSS Libraries / web-framework
siemens agcommercialDEEnterprise Softwareaka siemens
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
civetweb_projectoss-projectOSS Librariesaka civetweb
civetweb projectoss-projectOSS Libraries
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2020-27304
nvd.nist.gov
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
cert-portal.siemens.com
and 87 more references View all →

Timeline

Published
Oct 21, 2021
Last Updated
Nov 21, 2024

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