CVE-2018-15481
CVE-2018-15481 is a high-severity vulnerability in Ucopia Wireless Appliance Firmware with a CVSS 3.x base score of 8.8. 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-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Ucopia Wireless Appliance Firmware
- Published:
- Last modified:
Description
Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices using firmware version 5.1.x before 5.1.13 allows authenticated remote attackers to escape the shell and escalate their privileges by adding a LocalCommand to the SSH configuration file in the user home folder.
Frequently asked questions
- What is CVE-2018-15481?
- Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices using firmware version 5.1.x before 5.1.13 allows authenticated remote attackers to escape the shell and escalate their privileges by adding a LocalCommand to the SSH configuration file in the user home folder.
- How severe is CVE-2018-15481?
- CVE-2018-15481 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-15481 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-15481?
- CVE-2018-15481 affects Ucopia Wireless Appliance Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-15481?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-15481 published?
- CVE-2018-15481 was published on 2018-08-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:ucopia:wireless_appliance_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Ucopia Wireless Appliance Firmware
- CVE-2022-44720 — Critical (CVSS 9.8): An issue was discovered in Weblib Ucopia before 6.0.13. OS Command Injection injection can occur, related to chroot.
- CVE-2022-44719 — High (CVSS 7.5): An issue was discovered in Weblib Ucopia before 6.0.13. The SSH Server has Insecure Permissions.
- CVE-2017-17743 — Medium (CVSS 6.7): Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices before…
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