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CVE-2023-27753

📛 CVE Title

CVE-2023-27753

Description

An arbitrary file upload vulnerability in MK-Auth 23.01K4.9 allows attackers to execute arbitrary code via uploading a crafted PHP file.

Overview

State
PUBLISHED
Assigner (CNA)
mitre
CVSS severity
high
CVSS score
—
CVSS vector
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Effective score
8.0 / 10 HIGH source: NVD
CWE(s)
—
Reserved
2023-03-05
Published
2026-05-12 02:00 UTC
Last updated
2026-05-13 15:34 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/27xxx/CVE-2023-27753.json
Linked Threat
CVE-2023-27753 — CVE-2023-27753

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-05-12 16:16:11 UTC
NVD last modified
2026-05-13 15:48:11 UTC
NVD CVSS v3.1
CVSS 8.0 / 10 8.0 8.0 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore
2.1 / 10
Impact subscore
5.9 / 10
EPSS score
0.0004 (probability of exploitation in next 30 days)
EPSS percentile
14.24% vs all CVEs — higher = more likely to be exploited, as of 2026-05-30

NVD-assigned CWE(s): CWE-434 (differs from the CNA list above)

NVD / KEV / EPSS data refreshed 2026-05-31 01:09 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2023-31489
Assigner
mitre
Published
May 12, 2026, 12:00:00 AM
Updated
May 13, 2026, 1:34:30 PM
EUVD base score (CVSS 3.1)
8.0 / 10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EUVD-reported EPSS
0.0500
Vendors
n/a
Products
n/a (n/a)

ENISA description: An arbitrary file upload vulnerability in MK-Auth 23.01K4.9 allows attackers to execute arbitrary code via uploading a crafted PHP file.

EUVD references (2)

Affected products (1)

VendorProductVersionsPlatforms
n/a n/a n/a (affected) —

Vendor references (2)

References embedded in the original CVE record by the assigning CNA.

MITRE references (2) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (3)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

NVD-tagged references (2)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (19)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • web:blog.rsisecurity.com

    The Vulnerability Management Lifecycle Patch management is a vital component of the broader vulnerability management lifecycle, which includes: Discovery: Identify all systems and assets. Assessment: Evaluate severity and exploitability. Prioritization: Align risk levels with business impact. Remediation : Apply patches or compensating controls. Verification: Confirm successful patch deployment ...

    2026-05-23 20:58 UTC
  • web:blog.talosintelligence.com

    Microsoft has released its monthly security update for August 2025, which includes 111 vulnerabilities affecting a range of products, including 13 that Microsoft marked as "critical".

    2026-05-23 20:58 UTC
  • web:cybersecuritynews.com

    Microsoft released an out-of-band hotpatch update on March 13, 2026, addressing serious security vulnerabilities in Windows 11 versions 24H2 and 25H2.

    2026-05-23 20:58 UTC
  • web:portal.msrc.microsoft.com

    The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

    2026-05-23 20:58 UTC
  • web:source.android.com

    Android partners are encouraged to fix all issues in this bulletin and use the latest security patch level. Devices that use the 2025-11-01 security patch level must include all issues associated with that security patch level, as well as fixes for all issues reported in previous security bulletins.

    2026-05-23 20:58 UTC
  • web:support.esri.com

    This security patch addresses multiple security vulnerabilities found in ArcGIS Server. Esri recommends that all customers using ArcGIS Server 11.5, 11.4, 11.3, 11.1 and 10.9.1 apply this patch .

    2026-05-23 20:58 UTC
  • web:www.bugcrowd.com

    Vulnerability mitigation is typically considered a temporary or interim solution. While mitigation measures can reduce the immediate risk associated with vulnerabilities, they may not provide a permanent fix . Organizations should aim to prioritize and plan for complete vulnerability remediation whenever feasible and allocate resources accordingly.

    2026-05-23 20:58 UTC
  • web:www.oracle.com

    This Critical Patch Update contains 374 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at October 2025 Critical Patch Update: Executive Summary and Analysis.

    2026-05-23 20:58 UTC
  • web:www.secure.com

    Learn the difference between vulnerability remediation and mitigation , and how a risk-based strategy can strengthen your security posture.

    2026-05-23 20:58 UTC
  • web:www.windowslatest.com

    Windows 11 March 2026 Patch Tuesday update adds Emoji 16.0, Sysmon, network speed test, reliability improvements, and security fixes.

    2026-05-23 20:58 UTC
  • web:blog.qualys.com

    Oracle released its second quarterly edition of this year's Critical Patch Update. The update received patches for 309 security vulnerabilities.

    2026-05-26 02:53 UTC
  • web:cybersecuritynews.com

    Oracle released its July 2025 Critical Patch Update on July 15, addressing 309 security vulnerabilities across its extensive product portfolio.

    2026-05-26 02:53 UTC
  • web:msrc.microsoft.com

    The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

    2026-05-26 02:53 UTC
  • web:nvd.nist.gov

    The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...

    2026-05-26 02:53 UTC
  • web:www.cve.org

    At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures

    2026-05-26 02:53 UTC
  • web:www.grammarly.com

    Grammarly makes AI writing convenient. Work smarter with personalized AI guidance and text generation on any app or website.

    2026-05-26 02:53 UTC
  • web:www.oracle.com

    This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-05-26 02:53 UTC
  • web:www.securityweek.com

    Oracle on Tuesday announced the release of 481 new security patches as part of its April 2026 Critical Patch Update (CPU). Across the 28 product families that received security updates, more than 300 patches address vulnerabilities that are remotely exploitable without authentication.

    2026-05-26 02:53 UTC
  • web:www.virustotal.com

    VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.

    2026-05-26 02:53 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2023-27753.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-27753",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-13T13:34:26.694720Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-434",
                "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-13T13:34:30.232Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An arbitrary file upload vulnerability in MK-Auth 23.01K4.9 allows attackers to execute arbitrary code via uploading a crafted PHP file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-12T15:33:33.545Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/yueslly/MKAUTH-RCE/blob/main/README.md"
        },
        {
          "url": "https://github.com/yueslly/MKAUTH-RCE"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-27753",
    "datePublished": "2026-05-12T00:00:00.000Z",
    "dateReserved": "2023-03-05T00:00:00.000Z",
    "dateUpdated": "2026-05-13T13:34:30.232Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}