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Fencer Vulns
critical 9.8

CVE-2017-6199 json

A remote attacker could bypass the Sandstorm organization restriction before build 0.203 via a comma in an email-address field.

published 2018-02-06 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15264

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

A remote attacker could bypass the Sandstorm organization restriction before build 0.203 via a comma in an email-address field.

Patch / fix

  • sandstorm sandstorm 0.203

Exploit prediction

2.98% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • devco.re https://devco.re/blog/2018/01/26/Sandstorm-Security-Review-CVE-2017-6200-en/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns 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.