A vulnerability classified as critical was found in Zyxel USG ZyWALL, USG FLEX 100, USG FLEX 200, USG FLEX 500, USG FLEX 700, USG FLEX 50, USG20, ATP and VPN (Firewall Software). This vulnerability affects an unknown functionality of the component CGI Program Handler. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
| Field | 07/19/2022 02:09 PM | 08/06/2022 02:31 PM |
|---|
| vendor | Zyxel | Zyxel |
| name | USG ZyWALL/USG FLEX 100/USG FLEX 200/USG FLEX 500/USG FLEX 700/USG FLEX 50/USG20/ATP/VPN | USG ZyWALL/USG FLEX 100/USG FLEX 200/USG FLEX 500/USG FLEX 700/USG FLEX 50/USG20/ATP/VPN |
| component | CGI Program Handler | CGI Program Handler |
| cwe | 22 (path traversal) | 22 (path traversal) |
| risk | 2 | 2 |
| cvss3_vuldb_av | N | N |
| cvss3_vuldb_ac | L | L |
| cvss3_vuldb_pr | L | L |
| cvss3_vuldb_ui | N | N |
| cvss3_vuldb_s | U | U |
| cvss3_vuldb_c | L | L |
| cvss3_vuldb_i | N | N |
| cvss3_vuldb_a | N | N |
| cvss3_vuldb_rc | C | C |
| url | https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml | https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml |
| cve | CVE-2022-2030 | CVE-2022-2030 |
| cve_assigned | 1654639200 (06/08/2022) | 1654639200 (06/08/2022) |
| cve_nvd_summary | A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs 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 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device. | A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs 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 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device. |
| date | 1658181600 (07/19/2022) | 1658181600 (07/19/2022) |
| type | Firewall Software | Firewall Software |
| cvss2_vuldb_av | N | N |
| cvss2_vuldb_ac | L | L |
| cvss2_vuldb_ci | P | P |
| cvss2_vuldb_ii | N | N |
| cvss2_vuldb_ai | N | N |
| cvss2_vuldb_rc | C | C |
| cvss2_vuldb_au | S | S |
| cvss2_vuldb_e | ND | ND |
| cvss2_vuldb_rl | ND | ND |
| cvss3_vuldb_e | X | X |
| cvss3_vuldb_rl | X | X |
| cvss2_vuldb_basescore | 4.0 | 4.0 |
| cvss2_vuldb_tempscore | 4.0 | 4.0 |
| cvss3_vuldb_basescore | 4.3 | 4.3 |
| cvss3_vuldb_tempscore | 4.3 | 4.3 |
| cvss3_meta_basescore | 4.3 | 5.4 |
| cvss3_meta_tempscore | 4.3 | 5.4 |
| price_0day | $5k-$25k | $5k-$25k |
| cvss3_cna_av | | N |
| cvss3_cna_ac | | L |
| cvss3_cna_pr | | L |
| cvss3_cna_ui | | N |
| cvss3_cna_s | | U |
| cvss3_cna_c | | H |
| cvss3_cna_i | | N |
| cvss3_cna_a | | N |
| cve_cna | | Zyxel Corporation |
| cvss3_cna_basescore | | 6.5 |