What is CVE-2022-49039?

CVE-2022-49039 is a medium-severity vulnerability in Synology Drive Client, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2024-09-26.

How severe is CVE-2022-49039?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2022-49039 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-2022-49039

Out-of-bounds write vulnerability in backup task management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to execute arbitrary commands via unspecified vectors.

Vulnerability class: Buffer Overflow

Published 2024-09-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.synology.com/en-global/security/advisory/Synology_SA_24_10 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-49039?: CVE-2022-49039 is a medium-severity vulnerability in Synology Drive Client, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2024-09-26.
How severe is CVE-2022-49039?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2022-49039 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.