CVE-2017-17550: zyxel zywall_usg_100_firmware Cross-Site Request Forgery (CSRF)
CVSS: 8.8v3.0HighModified
Published 10-11-2018Last modified 05-08-2024
Vulnerability summary
CVE-2017-17550 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in zyxel zywall_usg_100_firmware. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
0.49%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 10-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.49%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
0.00 pp
From 0.49% on 20-09-2026
20-09-202620-10-2026
EPSS score0.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (shellcode.it)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Zyxel1 product
- zywall_usg_100_firmware2.12\(aqq.2\) | 3.30\(aqq.7\)
1 vendor · 1 product