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CVE-2022-30065

A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.

Published: May 18, 2022Updated: Jul 7, 2026 Sources: CVE List NVD BDU csafCWE-416
7.8HIGH
NVD MITRE
EPSS Score
1.2%
Top 34.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Multiple vulnerabilities in the third-party components cURL, BusyBox, libtirpc, Expat as well as in the Linux Kernel could allow an attacker to impact the SCALANCE XCM332 device's confidentiality, integrity and availability. Siemens has released an update for the SCALANCE XCM332 and recommends to update to the latest version.

No summary for this CVE yet.

CVSS Vector Breakdown

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

Weaknesses

CWE-416

Affected Products

siemens
commercial·DEaka siemens ag
scalance sc622-2c firmware
ICS / OT / IoT
scalance sc626-2c firmware
ICS / OT / IoT
scalance sc632-2c firmware
ICS / OT / IoT
scalance sc636-2c firmware
ICS / OT / IoT
scalance sc642-2c firmware
ICS / OT / IoT
scalance sc646-2c firmware
ICS / OT / IoT
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
BusyBoxLibraryLibrary
OSS Libraries / generic-library
busybox
oss-projectaka busybox utilities
busyboxEmbedded
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
АО «НТЦ ИТ РОСА»
commercial·RU
РОСА ХРОМOn-prem
Operating Systems / linux-distro
АО «НППКТ»
commercial·RU
ОСОН ОСнова ОnyxOn-premOS
Operating Systems / linux-distro
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2022-30065?We can run the check for you — a free external exposure review, no install. Check my exposure

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://cert-portal.siemens.com/productcert/csaf/ssa-558014.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-558014.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-558014.pdf
cert-portal.siemens.com
and 19 more references View all →

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