High severity · published Sep 29, 2021
CVE-2021-35027
A directory traversal vulnerability in the web server of the Zyxel VPN2S firmware version 1.12 could allow a remote attacker to gain access to sensitive information
7.5
CVSS
2%
EPSS
No
On KEV
Description
A directory traversal vulnerability in the web server of the Zyxel VPN2S firmware version 1.12 could allow a remote attacker to gain access to sensitive information.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZV
Zywall Vpn2s Firmware · Zyxel
1.12(abln.0)c0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35027
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35027
Patch
https://www.zyxel.com/support/Zyxel_security_advisory_for_directory_traversal_and_command_injection_vulnerabilities_of_VPN2S_Firewall.shtml
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