CVE-2022-38547 (GCVE-0-2022-38547)

Vulnerability from cvelistv5 – Published: 2023-02-07 00:00 – Updated: 2025-03-25 15:39
VLAI?
Summary
A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Vendor Product Version
Zyxel ZyWALL/USG series firmware Affected: 4.20 through 4.72
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      "id": "CVE-2022-38547",
      "lastModified": "2024-11-21T07:16:39.203",
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      "published": "2023-02-07T02:15:07.883",
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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-rce-in-firewalls\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T10:54:04.001Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-38547\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-03-25T15:39:35.477790Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-03-25T15:39:38.938Z\"}}], \"cna\": {\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.2, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Zyxel\", \"product\": \"ZyWALL/USG series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.20 through 4.72\"}]}, {\"vendor\": \"Zyxel\", \"product\": \"VPN series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.30 through 5.32\"}]}, {\"vendor\": \"Zyxel\", \"product\": \"USG FLEX series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.50 through 5.32\"}]}, {\"vendor\": \"Zyxel\", \"product\": \"ATP series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.32 through 5.32\"}]}], \"references\": [{\"url\": \"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-rce-in-firewalls\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-78\", \"description\": \"CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"96e50032-ad0d-4058-a115-4d2c13821f9f\", \"shortName\": \"Zyxel\", \"dateUpdated\": \"2023-02-07T00:00:00.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-38547\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-25T15:39:42.181Z\", \"dateReserved\": \"2022-08-22T00:00:00.000Z\", \"assignerOrgId\": \"96e50032-ad0d-4058-a115-4d2c13821f9f\", \"datePublished\": \"2023-02-07T00:00:00.000Z\", \"assignerShortName\": \"Zyxel\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.