FKIE_CVE-2023-27991

Vulnerability from fkie_nvd - Published: 2023-04-24 18:15 - Updated: 2024-11-21 07:53
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely.
References
security@zyxel.com.twhttps://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-and-post-authentication-command-injection-vulnerability-in-firewallsVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-and-post-authentication-command-injection-vulnerability-in-firewallsVendor Advisory
Impacted products
Vendor Product Version
zyxel atp200_firmware *
zyxel atp200 -
zyxel atp100_firmware *
zyxel atp100 -
zyxel atp700_firmware *
zyxel atp700 -
zyxel atp500_firmware *
zyxel atp500 -
zyxel atp100w_firmware *
zyxel atp100w -
zyxel atp800_firmware *
zyxel atp800 -
zyxel usg_flex_100_firmware *
zyxel usg_flex_100 -
zyxel usg_flex_50_firmware *
zyxel usg_flex_50 -
zyxel usg_flex_200_firmware *
zyxel usg_flex_200 -
zyxel usg_flex_500_firmware *
zyxel usg_flex_500 -
zyxel usg_flex_700_firmware *
zyxel usg_flex_700 -
zyxel usg_flex_100w_firmware *
zyxel usg_flex_100w -
zyxel usg_20w-vpn_firmware *
zyxel usg_20w-vpn -
zyxel usg_flex_50w_firmware *
zyxel usg_flex_50w -
zyxel usg20-vpn_firmware *
zyxel usg20-vpn -
zyxel vpn100_firmware *
zyxel vpn100 -
zyxel vpn1000_firmware *
zyxel vpn1000 -
zyxel vpn300_firmware *
zyxel vpn300 -
zyxel vpn50_firmware *
zyxel vpn50 -
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely."
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  ],
  "id": "CVE-2023-27991",
  "lastModified": "2024-11-21T07:53:53.360",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "baseScore": 8.8,
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  "published": "2023-04-24T18:15:09.497",
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      "source": "security@zyxel.com.tw",
      "tags": [
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      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-and-post-authentication-command-injection-vulnerability-in-firewalls"
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  "sourceIdentifier": "security@zyxel.com.tw",
  "vulnStatus": "Modified",
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}


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  • 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.