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Surveillance Station CVE-2024-29240

MEDIUM
Missing Authorization (CWE-862)
2024-03-28 security@synology.com
4.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could access resources or perform actions without proper authorization checks by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.7% exploitation probability (EPSS)

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AnalysisAI

Missing authorization vulnerability in LayoutSave webapi component in Synology Surveillance Station before 9.2.0-11289 and 9.2.0-9289 allows remote authenticated users to conduct limited. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.

Affects your stack

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

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Missing authorization vulnerability in LayoutSave webapi component in Synology Surveillance Station before 9.2.0-11289 and 9.2.0-9289 allows remote authenticated users to conduct limited denial-of-service attacks via unspecified vectors. Affected products include: Synology Surveillance Station. Version information: before 9.2.0.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

Missing authorization vulnerability in LayoutSave webapi component in Synology Surveillance Station before 9.2.0-11289 and 9.2.0-9289 allows remote authenticated users to conduct limited denial-of-service attacks via unspecified vectors.

Threat Intelligence Overview

EPSS Score
0.7%
Top 52% exploitable
Data Quality
2 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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.7%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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

23
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:synology:surveillance_station:*:*:*:*:*:*:*:*
cpe:2.3:a:synology:surveillance_station:*:*:*:*:*:*:*:*
CVE-2024-29241 CRITICAL
9.9 Mar 28

Missing authorization vulnerability in System webapi component in Synology Surveillance Station before 9.2.0-9289 and 9.

CVE-2021-38687 CRITICAL
9.8 Dec 29

A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. Rated critical

CVE-2021-28797 CRITICAL
9.8 Apr 14

A stack-based buffer overflow vulnerability has been reported to affect QNAP NAS devices running Surveillance Station. R

CVE-2024-29229 HIGH
7.7 Mar 28

Missing authorization vulnerability in GetLiveViewPath webapi component in Synology Surveillance Station before 9.2.0-92

CVE-2024-29228 HIGH
7.7 Mar 28

Missing authorization vulnerability in GetStmUrlPath webapi component in Synology Surveillance Station before 9.2.0-9289

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Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in Recording.CountByC

CVE-2024-29238 MEDIUM
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Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in Log.CountByCategor

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Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in ActionRule.Delete

CVE-2024-29236 MEDIUM
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Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in AudioPattern.Delet

CVE-2024-29235 MEDIUM
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Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in IOModule.EnumLog w

CVE-2024-29234 MEDIUM
5.4 Mar 28

Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in Group.Save webapi

CVE-2024-29233 MEDIUM
5.4 Mar 28

Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in Emap.Delete webapi

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