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Fencer Intel
high 8.8

CVE-2017-8793 json

An issue was discovered on Accellion FTA devices before FTA_9_12_180.

published 9y ago modified 4mo ago also EUVD-2017-17736

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

An issue was discovered on Accellion FTA devices before FTA_9_12_180. By sending a POST request to home/seos/courier/web/wmProgressstat.html.php with an attacker domain in the acallow parameter, the device will respond with an Access-Control-Allow-Origin header allowing the attacker to have site access with a bypass of the Same Origin Policy.

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Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • gist.github.com https://gist.github.com/anonymous/32e2894fa29176f3f32cb2b2bb7c24cb referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.