XSS in Zyxel Atp200
CVE-2019-9955
On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, ZyWALL 1100 devices, the security firewall login page is vulnerable to Ref…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.209 (97.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Zyxel Atp200
- Zyxel Atp200_firmware — versions 4.31
- Zyxel Atp500
- Zyxel Atp500_firmware — versions 4.31
- Zyxel Atp800
- Zyxel Atp800_firmware — versions 4.31
- Zyxel Usg110
- Zyxel Usg1100
- Zyxel Usg1100_firmware — versions 4.31
- Zyxel Usg110_firmware — versions 4.31
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-9955?
- CVE-2019-9955 is a medium-severity vulnerability in Zyxel Atp200, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-04-22.
- How severe is CVE-2019-9955?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-9955 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.