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CVE-2021-21813

Published: Aug 13, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-787
7.8HIGH
NVD MITRE
EPSS Score
0.3%
Top 74.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to memcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow.

No summary for this CVE yet.

CVSS Vector Breakdown

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

Weaknesses

CWE-787

Affected Products

Schneider Electric
commercial·FRaka schneider-electric
EcoStruxure Control Expert
ICS / OT / IoT
SCADAPack RemoteConnect
ICS / OT / IoT
EcoStruxure Process Expert
ICS / OT / IoT
AT&T Labs
oss-project·US
XmillOn-prem
DevTools & CI / build-test-tools
att
commercial·USaka u-verse firmware, winvnc, xmill
xmillMixed
Communications / video-conferencing
and 1 more affected products View all →

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
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280
talosintelligence.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-223-03.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-22-223-03
cisa.gov
and 22 more references View all →

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