How severe is CVE-2022-49040?

CVE-2022-49040 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-49040 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-49040?

CVE-2022-49040 affects Synology Drive Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-49040?

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

Does CVE-2022-49040 have an EU (EUVD) identifier?

Yes. CVE-2022-49040 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-53882.

When was CVE-2022-49040 published?

CVE-2022-49040 was published on 2024-09-26 and last updated on 2026-06-17.

CVE-2022-49040

CVE-2022-49040 is a medium-severity vulnerability in Synology Drive Client with a CVSS 3.x base score of 4.4. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-53882
Weakness: CWE-120
Affected product: Synology Drive Client
Published: 2024-09-26
Last modified: 2026-06-17

Description

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.

Frequently asked questions

What is CVE-2022-49040?: Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.
How severe is CVE-2022-49040?: CVE-2022-49040 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-49040 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-49040?: CVE-2022-49040 affects Synology Drive Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-49040?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2022-49040 have an EU (EUVD) identifier?: Yes. CVE-2022-49040 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-53882.
When was CVE-2022-49040 published?: CVE-2022-49040 was published on 2024-09-26 and last updated on 2026-06-17.

References

https://www.synology.com/en-global/security/advisory/Synology_SA_24_10

Affected products (1)

cpe:2.3:a:synology:drive_client:*:*:*:*:*:desktop:*:*

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