CVE-2023-33009
critical · 9.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply updates per vendor instructions.
A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| zyxel | atp100_firmware | >= 4.60, < 5.36 |
| zyxel | atp100_firmware | 5.36 |
| zyxel | atp100_firmware | 5.36 |
| zyxel | atp100 | all versions |
| zyxel | atp200_firmware | >= 4.60, < 5.36 |
| zyxel | atp200_firmware | 5.36 |
| zyxel | atp200_firmware | 5.36 |
| zyxel | atp200 | all versions |
| zyxel | atp500_firmware | >= 4.60, < 5.36 |
| zyxel | atp500_firmware | 5.36 |
| zyxel | atp500_firmware | 5.36 |
| zyxel | atp500 | all versions |
| zyxel | atp100w_firmware | >= 4.60, < 5.36 |
| zyxel | atp100w_firmware | 5.36 |
| zyxel | atp100w_firmware | 5.36 |
| zyxel | atp100w | all versions |
| zyxel | atp700_firmware | >= 4.60, < 5.36 |
| zyxel | atp700_firmware | 5.36 |
| zyxel | atp700_firmware | 5.36 |
| zyxel | atp700 | all versions |
| zyxel | atp800_firmware | >= 4.60, < 5.36 |
| zyxel | atp800_firmware | 5.36 |
| zyxel | atp800_firmware | 5.36 |
| zyxel | atp800 | all versions |
| zyxel | usg_flex_100_firmware | >= 4.60, < 5.36 |
| zyxel | usg_flex_100_firmware | 5.36 |
| zyxel | usg_flex_100_firmware | 5.36 |
| zyxel | usg_flex_100 | all versions |
| zyxel | usg_flex_50_firmware | >= 4.60, < 5.36 |
| zyxel | usg_flex_50_firmware | 5.36 |
| zyxel | usg_flex_50_firmware | 5.36 |
| zyxel | usg_flex_50 | all versions |
| zyxel | usg_flex_200_firmware | >= 4.60, < 5.36 |
| zyxel | usg_flex_200_firmware | 5.36 |
| zyxel | usg_flex_200_firmware | 5.36 |
| zyxel | usg_flex_200 | all versions |
| zyxel | usg_flex_500_firmware | >= 4.60, < 5.36 |
| zyxel | usg_flex_500_firmware | 5.36 |
| zyxel | usg_flex_500_firmware | 5.36 |
| zyxel | usg_flex_500 | all versions |
Check a specific version with /api/v1/cve/match.
References
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33009
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2023-33009