How severe is CVE-2018-13281?

CVE-2018-13281 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 low, integrity none, and availability none.

Is CVE-2018-13281 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13281?

CVE-2018-13281 primarily affects Synology Skynas. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-13281?

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

When was CVE-2018-13281 published?

CVE-2018-13281 was published on 2018-10-31 and last updated on 2026-06-17.

CVE-2018-13281

CVE-2018-13281 is a medium-severity vulnerability in Synology Skynas 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Synology Skynas
Published: 2018-10-31
Last modified: 2026-06-17

Description

Information exposure vulnerability in SYNO.Core.ACL in Synology DiskStation Manager (DSM) before 6.2-23739-2 allows remote authenticated users to determine the existence and obtain the metadata of arbitrary files via the file_path parameter.

Frequently asked questions

What is CVE-2018-13281?: Information exposure vulnerability in SYNO.Core.ACL in Synology DiskStation Manager (DSM) before 6.2-23739-2 allows remote authenticated users to determine the existence and obtain the metadata of arbitrary files via the file_path parameter.
How severe is CVE-2018-13281?: CVE-2018-13281 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 low, integrity none, and availability none.
Is CVE-2018-13281 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13281?: CVE-2018-13281 primarily affects Synology Skynas. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-13281?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-13281 published?: CVE-2018-13281 was published on 2018-10-31 and last updated on 2026-06-17.

References

https://www.synology.com/en-global/support/security/Synology_SA_18_36

Affected products (5)

cpe:2.3:a:synology:skynas:-:*:*:*:*:*:*:*
cpe:2.3:a:synology:vs960hd:-:*:*:*:*:*:*:*
cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*
cpe:2.3:o:synology:diskstation_manager:5.2:*:*:*:*:*:*:*
cpe:2.3:o:synology:diskstation_manager:6.0:*:*:*:*:*:*:*

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