What’s Vulnerable › Vulnerabilities

CVE-2017-11321

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-10-03 · updated 2026-06-17
• Weakness: CWE-78

Description

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.

Affected products

• Ucopia Wireless Appliance: through 5.1.7

References

• https://sysdream.com/news/lab/2017-09-29-cve-2017-11321-ucopia-wireless-appliance-5-1-8-restricted-shell-escape/
• https://www.exploit-db.com/exploits/42937/
• https://sysdream.com/news/lab/2017-09-29-cve-2017-11321-ucopia-wireless-appliance-5-1-8-restricted-shell-escape/
• https://www.exploit-db.com/exploits/42937/

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