CVE-2020-29583 in zyxel usg20-vpn firmware
LogPulse has a published detection rule for this CVE: it raises a notable when someone tries to exploit it.
What the vulnerability is
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.
Affected software: zyxel usg20-vpn firmware, zyxel usg20w-vpn firmware, zyxel usg40 firmware, zyxel usg40w firmware, zyxel usg60 firmware, zyxel usg60w firmware, zyxel usg110 firmware, zyxel usg210 firmware, zyxel usg310 firmware, zyxel usg1100 firmware
Scores
- CVSS: 9.8 (critical)
- EPSS: 90.16% chance of exploitation in the next 30 days
- CISA KEV: Known exploited, listed 2021-11-03
- Published: 2020-12-22
What LogPulse has for it
- Detection rule: Yes, published
- Agent check (vulnerable version): No
- Mitigation: No
Source data: NIST NVD, CISA KEV and FIRST EPSS. LogPulse processes new CVEs every hour.
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