How severe is CVE-2023-52943?

CVE-2023-52943 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-52943 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-52943?

CVE-2023-52943 affects Synology Surveillance Station. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-52943?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-52943 have an EU (EUVD) identifier?

Yes. CVE-2023-52943 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59650.

When was CVE-2023-52943 published?

CVE-2023-52943 was published on 2024-12-04 and last updated on 2026-06-17.

CVE-2023-52943

CVE-2023-52943 is a medium-severity vulnerability in Synology Surveillance Station with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59650
Weakness: CWE-863
Affected product: Synology Surveillance Station
Published: 2024-12-04
Last modified: 2026-06-17

Description

Incorrect authorization vulnerability in Alert.Setting webapi component in Synology Surveillance Station before 9.2.0-11289 and 9.2.0-9289 allows remote authenticated users to to perform limited actions on the alerting function via unspecified vectors.

Frequently asked questions

What is CVE-2023-52943?: Incorrect authorization vulnerability in Alert.Setting webapi component in Synology Surveillance Station before 9.2.0-11289 and 9.2.0-9289 allows remote authenticated users to to perform limited actions on the alerting function via unspecified vectors.
How severe is CVE-2023-52943?: CVE-2023-52943 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-52943 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-52943?: CVE-2023-52943 affects Synology Surveillance Station. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-52943?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-52943 have an EU (EUVD) identifier?: Yes. CVE-2023-52943 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59650.
When was CVE-2023-52943 published?: CVE-2023-52943 was published on 2024-12-04 and last updated on 2026-06-17.

References

https://www.synology.com/en-global/security/advisory/Synology_SA_24_04

Affected products (1)

cpe:2.3:a:synology:surveillance_station:*:*:*:*:*:*:*:*

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