CVE-2022-30526

CVSS V2 None CVSS V3 High 7.8
Description
A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.
Overview
  • CVE ID
  • CVE-2022-30526
  • Assigner
  • security@zyxel.com.tw
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-07-19T06:15:08
  • Last Modified Date
  • 2022-12-13T15:38:54
Weakness Enumerations
CWE URL
CWE-269 http://cwe.mitre.org/data/definitions/269.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.30
cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.30
cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.30
cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* 1 OR 4.50 5.30
cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* 1 OR 4.16 5.30
cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* 1 OR 4.16 5.30
cpe:2.3:h:zyxel:usg20w-vpn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.30
cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.30
cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.30
cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.30
cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.30
cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* 1 OR 4.32 5.30
cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn1000_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn300_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn100_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn50_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg20-vpn_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:usg20-vpn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_2200-vpn_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:usg_2200-vpn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_110_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:zywall_110:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_310_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:zywall_310:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_1100_firmware:*:*:*:*:*:*:*:* 1 OR 4.30 5.30
cpe:2.3:h:zyxel:zywall_1100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg40_firmware:*:*:*:*:*:*:*:* 1 OR 4.09 4.72
cpe:2.3:h:zyxel:usg40:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg40w_firmware:*:*:*:*:*:*:*:* 1 OR 4.09 4.72
cpe:2.3:h:zyxel:usg40w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg60_firmware:*:*:*:*:*:*:*:* 1 OR 4.09 4.72
cpe:2.3:h:zyxel:usg60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg60w_firmware:*:*:*:*:*:*:*:* 1 OR 4.09 4.72
cpe:2.3:h:zyxel:usg60w:-:*:*:*:*:*:*:* 0 OR
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html
https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-30526
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30526
History
Created Old Value New Value Data Type Notes
2022-07-19 07:00:16 Added to TrackCVE
2022-12-13 16:16:32 2022-12-13T15:38:54 CVE Modified Date updated
2022-12-13 16:16:32 Undergoing Analysis Analyzed Vulnerability Status updated