CVE-2023-52943Network attack vector

Authenticated alert modification via undisclosed authorization flaw

Published Dec 4, 2024 · Updated Dec 4, 2024

Incorrect authorization in Synology Surveillance Station before 9.2.0-11289 and 9.2.0-9289 allows remote authenticated users to alter alerts. Synology has not published which Alert.Setting authorization check is incorrect or which request fields trigger the unauthorized action. Access requires an authenticated network session, and the published impact is limited to alerting-function integrity without disclosed data access or service interruption.

CVSS severity4.3
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Synology Surveillance Station before 9.2.0-11289 and 9.2.0-9289 allows remote authenticated users to alter alerts. Synology has not published which Alert.Setting authorization check is incorrect or which request fields trigger the unauthorized action. Access requires an authenticated network session, and the published impact is limited to alerting-function integrity without disclosed data access or service interruption.

The record

CVE
CVE-2023-52943
Published
Dec 4, 2024
Updated
Dec 4, 2024
Vendor
Synology
Product
Surveillance Station
Classifications
CWE-863
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <9.2.0-11289
  2. Affected versionversion=* <9.2.0-9289

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Synology · Surveillance Stationversion=* <9.2.0-11289; version=* <9.2.0-9289

Published CVSS scores

4.3Synology Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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