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CVE-2021-21828

A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. In the default case of DecodeTreeBlock a label is created via CurPat...

Published: Aug 20, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-120
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
1.1%
Top 37.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

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-120CWE-787

Affected Products

EcoStruxure Control ExpertSchneider ElectricICS / OT / IoT
SCADAPack RemoteConnectSchneider ElectricICS / OT / IoT
XmillAT&T Labs
On-prem
DevTools & CI / build-test-tools
EcoStruxure Process ExpertSchneider ElectricICS / OT / IoT
AT&Tn/a
schneider electriccommercialFRICS / OT / IoTaka schneider-electric
at&t labsoss-projectUSDevTools & CI
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
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.se.com/ww/en/download/document/SEVD-2021-222-02/
se.com
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1291
talosintelligence.com
https://vuldb.com/?id.181260
vuldb.com
and 22 more references View all →

Timeline

Published
Aug 20, 2021
Last Updated
Nov 21, 2024

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