Vulnerability in Zyxel Atp Series Firmware
CVE-2023-33011
A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (26.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Zyxel Atp Series Firmware — versions 5.10 through 5.36 Patch 2
- Zyxel Usg 20w-Vpn
- Zyxel Usg 20w-Vpn Firmware
- Zyxel Usg20(w)-Vpn Series Firmware — versions 5.10 through 5.36 Patch 2
- Zyxel Usg 2200-Vpn
- Zyxel Usg 2200-Vpn Firmware
- Zyxel Usg Flex 100
- Zyxel Usg Flex 100 Firmware
- Zyxel Usg Flex 100w
- Zyxel Usg Flex 100w Firmware
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-33011?
- CVE-2023-33011 is a high-severity vulnerability in Zyxel Atp Series Firmware, classified under Use of Externally-Controlled Format String. CVSS score: 8.8/10. Published 2023-07-17.
- How severe is CVE-2023-33011?
- High severity. CVSS v3 base score is 8.8 out of 10.