How severe is CVE-2020-16143?

CVE-2020-16143 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-16143 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16143?

CVE-2020-16143 affects Seafile Seafile-client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-16143?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-16143 published?

CVE-2020-16143 was published on 2020-07-29 and last updated on 2026-06-17.

CVE-2020-16143

CVE-2020-16143 is a high-severity vulnerability in Seafile Seafile-client with a CVSS 3.x base score of 7.8. 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.4
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Seafile Seafile-client
Published: 2020-07-29
Last modified: 2026-06-17

Description

The seafile-client client 7.0.8 for Seafile is vulnerable to DLL hijacking because it loads exchndl.dll from the current working directory.

Frequently asked questions

What is CVE-2020-16143?: The seafile-client client 7.0.8 for Seafile is vulnerable to DLL hijacking because it loads exchndl.dll from the current working directory.
How severe is CVE-2020-16143?: CVE-2020-16143 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-16143 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16143?: CVE-2020-16143 affects Seafile Seafile-client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-16143?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-16143 published?: CVE-2020-16143 was published on 2020-07-29 and last updated on 2026-06-17.

References

https://github.com/haiwen/seafile-client/issues/1309

Affected products (1)

cpe:2.3:a:seafile:seafile-client:7.0.8:*:*:*:*:seafile:*:*

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