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CNVD-2026-04542

Vulnerability from cnvd - Published: 2026-01-16

Title

PHPEMS竞争条件问题漏洞

Description

PHPEMS是一个PHP在线模拟考试系统。 PHPEMS 11.0及之前版本存在竞争条件问题漏洞，该漏洞源于组件Purchase Request Handler存在竞争条件，攻击者可利用该漏洞导致竞争条件攻击。

Severity

低

Formal description

目前没有详细的解决方案提供： https://www.phpems.net/

Reference

https://byebydoggy.github.io/post/2025/1229-phpems-points-race-condition-poc/ https://vuldb.com/?ctiid.338634 https://vuldb.com/?id.338634 https://vuldb.com/?submit.725727

Impacted products

Name
PHPEMS PHPEMS <=11.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-15244",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-15244"
    }
  },
  "description": "PHPEMS\u662f\u4e00\u4e2aPHP\u5728\u7ebf\u6a21\u62df\u8003\u8bd5\u7cfb\u7edf\u3002\n\nPHPEMS 11.0\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7ec4\u4ef6Purchase Request Handler\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7ade\u4e89\u6761\u4ef6\u653b\u51fb\u3002",
  "formalWay": "\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\uff1a \r\nhttps://www.phpems.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-04542",
  "openTime": "2026-01-16",
  "products": {
    "product": "PHPEMS PHPEMS \u003c=11.0"
  },
  "referenceLink": "https://byebydoggy.github.io/post/2025/1229-phpems-points-race-condition-poc/\r\n\r\nhttps://vuldb.com/?ctiid.338634\r\n\r\nhttps://vuldb.com/?id.338634\r\n\r\nhttps://vuldb.com/?submit.725727",
  "serverity": "\u4f4e",
  "submitTime": "2026-01-14",
  "title": "PHPEMS\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2025-15244 (GCVE-0-2025-15244)

Vulnerability from cvelistv5 – Published: 2025-12-30 10:32 – Updated: 2026-02-24 06:16

Title

PHPEMS Purchase Request race condition

Summary

A vulnerability has been found in PHPEMS up to 11.0. This impacts an unknown function of the component Purchase Request Handler. The manipulation leads to race condition. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been disclosed to the public and may be used.

Severity

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

3.7 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-30 16:02 UTC

CWE

CWE-362 - Race Condition

Assigner

VulDB mitre root

References

4 references

URL	Tags
https://vuldb.com/?id.338634	vdb-entry
https://vuldb.com/?ctiid.338634	signaturepermissions-required
https://vuldb.com/?submit.725727	third-party-advisory
https://byebydoggy.github.io/post/2025/1229-phpem…	exploit

Impacted products

1 product

Vendor	Product	Version
n/a	PHPEMS	Affected: 11.0 cpe:2.3:a:phpems:phpems::::::::

Credits

byebyedoggy (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-15244",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-30T16:02:08.211726Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-30T16:02:21.268Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:phpems:phpems:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Purchase Request Handler"
          ],
          "product": "PHPEMS",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "11.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "byebyedoggy (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been found in PHPEMS up to 11.0. This impacts an unknown function of the component Purchase Request Handler. The manipulation leads to race condition. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been disclosed to the public and may be used."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 2.6,
            "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-362",
              "description": "Race Condition",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-24T06:16:12.068Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-338634 | PHPEMS Purchase Request race condition",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/?id.338634"
        },
        {
          "name": "VDB-338634 | CTI Indicators (IOB, IOC)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.338634"
        },
        {
          "name": "Submit #725727 | PHPEMS \u003c=11.0 Race Condition",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.725727"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://byebydoggy.github.io/post/2025/1229-phpems-points-race-condition-poc/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-12-29T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-12-29T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-12-30T13:17:24.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "PHPEMS Purchase Request race condition"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-15244",
    "datePublished": "2025-12-30T10:32:05.640Z",
    "dateReserved": "2025-12-29T08:20:03.791Z",
    "dateUpdated": "2026-02-24T06:16:12.068Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2026-04542

CVE-2025-15244 (GCVE-0-2025-15244)

Tags

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Nomenclature

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