Vulnerability-Lookup

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

To clipboard

{
  "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: 2025-12-30 16:02

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

CWE

CWE-362 - Race Condition

Assigner

VulDB

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

	Vendor	Product	Version
	n/a	PHPEMS	Affected: 11.0

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": [
        {
          "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": "2025-12-30T10:32:05.640Z",
        "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": "2025-12-29T09:25:16.000Z",
          "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": "2025-12-30T16:02:21.268Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

CNVD-2026-04542

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

Tags

Sightings

Nomenclature