What is CVE-2023-52946?

CVE-2023-52946 is a high-severity vulnerability in Synology Drive Client, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.2/10. Published 2024-09-26.

How severe is CVE-2023-52946?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2023-52946 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Synology Drive Client

CVE-2023-52946

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in vss service component in Synology Drive Client before 3.5.0-16084 allows remote attackers to overwrite trivial buffers and crash the client via unspecified vectors.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (42.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security@synology.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-52946?: CVE-2023-52946 is a high-severity vulnerability in Synology Drive Client, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.2/10. Published 2024-09-26.
How severe is CVE-2023-52946?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2023-52946 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.