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CVE-2023-3265

Status: ModifiedCritical (9.8)—

An authentication bypass exists on CyberPower PowerPanel Enterprise by failing to sanitize meta-characters from the username, allowing an attacker to login into the application with the default user "cyberpower" by appending a non-printable character.An unauthenticated attacker can leverage this vulnerability to log in to the CypberPower PowerPanel Enterprise as an administrator with hardcoded default credentials.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Cyberpower — Powerpanel Server

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-3265",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-3265",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-09T14:39:48.699764Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "trellixpsirt@trellix.com",
        "cvssData": {
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          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      },
      {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
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        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "trellixpsirt@trellix.com",
      "affectedData": [
        {
          "vendor": "CyberPower",
          "product": "PowerPanel Enterprise",
          "versions": [
            {
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  "published": "2023-08-14T05:15:09.987",
  "references": [
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      "url": "https://www.trellix.com/en-us/about/newsroom/stories/research/the-threat-lurking-in-data-centers.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "trellixpsirt@trellix.com"
    },
    {
      "url": "https://www.trellix.com/en-us/about/newsroom/stories/research/the-threat-lurking-in-data-centers.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "trellixpsirt@trellix.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-150"
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    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "NVD-CWE-Other"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An authentication bypass exists on CyberPower PowerPanel Enterprise by failing to sanitize meta-characters from the username, allowing an attacker to login into the application with the default user \"cyberpower\" by appending a non-printable character.An unauthenticated attacker can leverage this vulnerability to log in to the CypberPower PowerPanel Enterprise as an administrator with hardcoded default credentials."
    }
  ],
  "lastModified": "2026-06-17T06:13:42.233",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cyberpower:powerpanel_server:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "054765FB-5866-4141-A0F3-F4A3BCAB7C15",
              "versionEndExcluding": "2.6.9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "trellixpsirt@trellix.com"
}