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Fast Dds CVE-2023-39948

HIGH
Uncaught Exception (CWE-248)
2023-08-11 security-advisories@github.com
Denial Of Service Debian Debian Linux Fast Dds Eprosima
7.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
CWE-248
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Exception handling completeness
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
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).
No patch listed yet 0.9% exploitation probability (EPSS)

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AnalysisAI

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-248. eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.10.0 and 2.6.5, the BadParamException thrown by Fast CDR is not caught in Fast DDS. This can remotely crash any Fast DDS process. Versions 2.10.0 and 2.6.5 contain a patch for this issue. Affected products include: Eprosima Fast Dds, Debian Debian Linux.

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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/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.10.0 and 2.6.5, the BadParamException thrown by Fast CDR is not caught in Fast DDS. This can remotely crash any Fast DDS process. Versions 2.10.0 and 2.6.5 contain a patch for this issue.

Threat Intelligence Overview

EPSS Score
0.9%
Top 45% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS GitHub

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 0.9%
Patch available No
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
Yes
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

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

Affected Products (CPE)NVD

cpe:2.3:a:eprosima:fast_dds:*:*:*:*:*:*:*:*
cpe:2.3:a:eprosima:fast_dds:2.10.0:rc1:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

More in Fast Dds

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FastDDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). Ra
CVE-2024-30258 HIGH POC
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CVE-2024-28231 HIGH POC
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CVE-2023-42459 HIGH POC
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Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). R
CVE-2024-30916 HIGH POC
7.1 Apr 11

An issue was discovered in eProsima FastDDS v.2.14.0 and before, allows a local attacker to cause a denial of service (D
CVE-2025-67108 CRITICAL
10.0 Dec 23

Improper validation of permissions/ticket revocation in eProsima Fast-DDS 3.3.0 allows revoked or no-longer-valid securi
CVE-2025-62799 CRITICAL
9.8 Feb 03

Fast DDS (eProsima) has a heap buffer overflow in its C++ DDS implementation that allows remote attackers to execute cod
CVE-2024-30917 MEDIUM POC
5.5 Apr 11

An issue was discovered in eProsima FastDDS v.2.14.0 and before, allows a local attacker to cause a denial of service (D
CVE-2026-22590 CRITICAL
9.1 Sep 09

Remote heap information disclosure in eProsima Fast DDS lets unauthenticated attackers leak adjacent heap memory by send
CVE-2025-62600 HIGH
8.6 Feb 03

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group ).

CVE-2025-62599 HIGH
8.6 Feb 03

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group ).

Same weakness CWE-248 – Uncaught Exception

View all
CVE-2013-10065 HIGH POC
8.7
CVE-2026-62909 HIGH POC
7.8
CVE-2026-82410 HIGH POC
8.7
CVE-2023-0790 HIGH POC
8.8
CVE-2026-53530 HIGH POC
8.7
CVE-2026-61544 HIGH POC
8.2
CVE-2026-62985 HIGH POC
7.5
CVE-2026-59892 HIGH POC
7.5

Same technique Denial Of Service

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

References

Advisories & patches
REF https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zip REF https://github.com/eProsima/Fast-DDS/issues/3422 REF https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-x9pj-vrgf-f68f REF https://www.debian.org/security/2023/dsa-5481

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