How severe is CVE-2017-16757?

CVE-2017-16757 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-16757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16757?

CVE-2017-16757 affects Hola Vpn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16757?

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-2017-16757 published?

CVE-2017-16757 was published on 2017-11-09 and last updated on 2026-06-17.

CVE-2017-16757

CVE-2017-16757 is a high-severity vulnerability in Hola Vpn 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Hola Vpn
Published: 2017-11-09
Last modified: 2026-06-17

Description

Hola VPN 1.34 has weak permissions (Everyone:F) under %PROGRAMFILES%, which allows local users to gain privileges via a Trojan horse 7za.exe or hola.exe file.

Frequently asked questions

What is CVE-2017-16757?: Hola VPN 1.34 has weak permissions (Everyone:F) under %PROGRAMFILES%, which allows local users to gain privileges via a Trojan horse 7za.exe or hola.exe file.
How severe is CVE-2017-16757?: CVE-2017-16757 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-16757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16757?: CVE-2017-16757 affects Hola Vpn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16757?: 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-2017-16757 published?: CVE-2017-16757 was published on 2017-11-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hola:vpn:1.34:*:*:*:*:*:*:*

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