Critical severity · published Nov 27, 2024
CVE-2024-11667
Zyxel Multiple Firewalls Path Traversal Vulnerability
RansomwareIn wildKEV
9.8
CVSS
2.9%
EPSS
Yes
On KEV
Description
A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildYes
CISA KEVListed Dec 3, 2024
Federal remediation dueDec 24, 2024
Ransomware campaign useKnown
Affected products
Which versions
AS
ATP series firmware · Zyxel
versions V5.00 through V5.38 · source: vendor
UF
USG FLEX 50(W) series firmware · Zyxel
versions V5.10 through V5.38 · source: vendor
UF
USG FLEX series firmware · Zyxel
versions V5.00 through V5.38 · source: vendor
US
USG20(W)-VPN series firmware · Zyxel
versions V5.10 through V5.38 · source: vendor
ZL
Zld · Zyxel
5.00 through 5.38; 5.00 through 5.38; 5.10 through 5.38; 5.10 through 5.38 · source: NVD
AF
Atp Firmware · Zyxel
5.00 through 5.38 · source: CISA
UF
Usg Flex 50w Firmware · Zyxel
5.10 before 5.38 · source: CISA
UF
Usg Flex Firmware · Zyxel
5.00 through 5.38 · source: CISA
UF
Usg20-vpn Firmware · Zyxel
5.10 through 5.38 · source: CISA
MF
Multiple Firewalls · Zyxel
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-11667
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-11667
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-27-2024
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