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Fencer Vulns
high 7.2

CVE-2017-11321 json

The restricted shell interface in UCOPIA Wireless Appliance before 5.1.8 allows remote authenticated users to gain 'admin' privileges via s…

published 2017-10-02 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-2955

cvss
7.2
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.3%
EPSS 8.3% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

The restricted shell interface in UCOPIA Wireless Appliance before 5.1.8 allows remote authenticated users to gain 'admin' privileges via shell metacharacters in the less command.

Timeline

  1. First public exploit (EDB-42937)
  2. Published

Exploit prediction

8.34% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-42937 UCOPIA Wireless Appliance < 5.1.8 - Restricted Shell Escape local, 2017-10-02
  • sysdream.com https://sysdream.com/news/lab/2017-09-29-cve-2017-11321-ucopia-wireless-appliance-5-1-8-restricted-shell-escape/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.