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Vulnerability Assessment

Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 4.32%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 4.3% exploitation probability (EPSS)

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AnalysisAI

Use-after-free vulnerability in the socket manager of Impress Remote in LibreOffice 4.x before 4.2.7 and 4.3.x before 4.3.3 allows remote attackers to cause a denial of service (crash) or possibly. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Find out whether the stacks and servers you run are on an affected version.

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Technical ContextAI · show details

Use-after-free vulnerability in the socket manager of Impress Remote in LibreOffice 4.x before 4.2.7 and 4.3.x before 4.3.3 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted request to TCP port 1599. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Canonical Ubuntu Linux, Libreoffice. Version information: before 4.2.7.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
P

DescriptionCVE.org

Use-after-free vulnerability in the socket manager of Impress Remote in LibreOffice 4.x before 4.2.7 and 4.3.x before 4.3.3 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted request to TCP port 1599.

Threat Intelligence Overview

EPSS Score
4.3%
Top 11% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 4.3%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: +4
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.0.3.3:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.1.1:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:4.2.3:*:*:*:*:*:*:*
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