How severe is CVE-2017-8794?

CVE-2017-8794 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2017-8794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8794?

CVE-2017-8794 affects Accellion File Transfer Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8794?

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

When was CVE-2017-8794 published?

CVE-2017-8794 was published on 2017-05-05 and last updated on 2026-06-17.

CVE-2017-8794

CVE-2017-8794 is a critical-severity vulnerability in Accellion File Transfer Appliance with a CVSS 3.x base score of 10.0. 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-918.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 6.4
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Accellion File Transfer Appliance
Published: 2017-05-05
Last modified: 2026-06-17

Description

An issue was discovered on Accellion FTA devices before FTA_9_12_180. Because a regular expression (intended to match local https URLs) lacks an initial ^ character, courier/web/1000@/wmProgressval.html allows SSRF attacks with a file:///etc/passwd#https:// URL pattern.

Frequently asked questions

What is CVE-2017-8794?: An issue was discovered on Accellion FTA devices before FTA_9_12_180. Because a regular expression (intended to match local https URLs) lacks an initial ^ character, courier/web/1000@/wmProgressval.html allows SSRF attacks with a file:///etc/passwd#https:// URL pattern.
How severe is CVE-2017-8794?: CVE-2017-8794 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2017-8794 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8794?: CVE-2017-8794 affects Accellion File Transfer Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8794?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-8794 published?: CVE-2017-8794 was published on 2017-05-05 and last updated on 2026-06-17.

References

https://gist.github.com/anonymous/32e2894fa29176f3f32cb2b2bb7c24cb

Affected products (1)

cpe:2.3:a:accellion:file_transfer_appliance:*:*:*:*:*:*:*:*

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