Path Traversal in Ubnt Airos 4 Xs2
CVE-2015-9266
The web management interface of Ubiquiti airMAX, airFiber, airGateway and EdgeSwitch XP (formerly TOUGHSwitch) allows an unauthenticated attacker to upload and write arbitrary files using directory traversal techniques. An attacker can exploit this vulnerability to gain root privileges. This vulnerability is fixed in the following product versions (fixes released in July 2015, all prior versions are affected): airMAX AC 7.1.3; airMAX M (and airRouter) 5.6.2 XM/XW/TI, 5.5.11 XM/TI, and 5.5.10u2 XW; airGateway 1.1.5; airFiber AF24/AF24HD 2.2.1, AF5x 3.0.2.1, and AF5 2.2.1; airOS 4 XS2/XS5 4.0.4; and EdgeSwitch XP (formerly TOUGHSwitch) 1.3.2.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.740 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.740 · newest: 0.740 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.rapid7.com/db/modules/exploit/linux/ssh/ubiquiti_airos_file_upload (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/39701/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- hackerone.com/reports/73480 (Third Party Advisory, Issue Tracking)
- community.ubnt.com/t5/airMAX-Updates-Blog/Important-Security-Notice-and-airOS-5… (Vendor Advisory)
- www.exploit-db.com/exploits/39853/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- community.ubnt.com/t5/airMAX-General-Discussion/Virus-attack-URGENT-UBNT/td-p/1… (Vendor Advisory)
- community.ubnt.com/t5/airMAX-Updates-Blog/Security-Release-for-airMAX-TOUGHSwit… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2015-9266?
- CVE-2015-9266 is a critical-severity vulnerability in Ubnt Airos 4 Xs2, classified under Path Traversal. CVSS score: 9.8/10. Published 2018-09-05.
- How severe is CVE-2015-9266?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2015-9266 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.