CSRF in Zyxel Zywall Usg 100
CVE-2017-17550
ZyXEL ZyWALL USG 2.12 AQQ.2 and 3.30 AQQ.7 devices are affected by a CSRF vulnerability via a cgi-bin/zysh-cgi cmd action to add a user account. This account's access could, for example, subsequently be used for stored XSS.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Zyxel Zywall Usg 100
- Zyxel Zywall Usg 100 Firmware — versions 2.12\(aqq.2\), 2.12(aqq.2), 3.30(aqq.7)
Weakness classification (CWE)
References
- www.shellcode.it/article/cve-2017-17550/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-17550?
- CVE-2017-17550 is a high-severity vulnerability in Zyxel Zywall Usg 100, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-11-10.
- How severe is CVE-2017-17550?
- High severity. CVSS v3 base score is 8.8 out of 10.