CVE-2023-7270

Local Privilege Escalation via MSI installer

MEDIUM
5.3
CVSS Score
Published: June 27, 2024 at 09:28 AM UTC
Updated: June 17, 2026 at 06:52 AM UTC
2 products affected across 1 vendorSoftmaker OfficeFreeOffice

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

An issue was discovered in SoftMaker Office 2024 / NX before revision 1214 and SoftMaker FreeOffice 2014 before revision 1215. FreeOffice 2021 is also affected, but won't be fixed. The SoftMaker Office and FreeOffice MSI installer files were found to produce a visible conhost.exe window running as the SYSTEM user when using the repair function of msiexec.exe. This allows a local, low-privileged attacker to use a chain of actions, to open a fully functional cmd.exe with the privileges of the SYSTEM user.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 2024 / NX, revision 1214 (unaffected)
Vendor states this is fixed in 2024, revision 1215 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

Source: 551230f0-3615-47bd-b7cc-93e92e730bbf
http://seclists.org/fulldisclosure/2024/Jul/5
ExploitThird Party Advisory
Source: 551230f0-3615-47bd-b7cc-93e92e730bbf
https://r.sec-consult.com/softmaker
Patch
Source: 551230f0-3615-47bd-b7cc-93e92e730bbf
https://softmaker.de/download/servicepacks
Patch
Source: 551230f0-3615-47bd-b7cc-93e92e730bbf
https://www.freeoffice.com/de/download/servicepacks

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-266

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