cnvd-2025-12635
Vulnerability from cnvd
Title
Mattermost拒绝服务漏洞（CNVD-2025-12635）
Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在拒绝服务漏洞。该漏洞源于未能正确处理包含字符串字段的附件。攻击者可利用该漏洞通过创建并发送此类帖子到频道来导致Web应用崩溃。
Severity
中
Patch Name
Mattermost拒绝服务漏洞（CNVD-2025-12635）的补丁
Patch Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在拒绝服务漏洞。该漏洞源于未能正确处理包含字符串字段的附件。攻击者可利用该漏洞通过创建并发送此类帖子到频道来导致Web应用崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://mattermost.com/security-updates

Reference
https://mattermost.com/security-updates
Impacted products
Name
['Mattermost Mattermost >10.2，<=10.2.0', 'Mattermost Mattermost >9.11，<=9.11.5', 'Mattermost Mattermost >10.0，<=10.0.3', 'Mattermost Mattermost >10.1，<=10.1.3']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-20621",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-20621"
    }
  },
  "description": "Mattermost\u662f\u7f8e\u56fdMattermost\u516c\u53f8\u7684\u4e00\u4e2a\u5f00\u6e90\u534f\u4f5c\u5e73\u53f0\u3002\n\nMattermost\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u5904\u7406\u5305\u542b\u5b57\u7b26\u4e32\u5b57\u6bb5\u7684\u9644\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u521b\u5efa\u5e76\u53d1\u9001\u6b64\u7c7b\u5e16\u5b50\u5230\u9891\u9053\u6765\u5bfc\u81f4Web\u5e94\u7528\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://mattermost.com/security-updates",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-12635",
  "openTime": "2025-06-16",
  "patchDescription": "Mattermost\u662f\u7f8e\u56fdMattermost\u516c\u53f8\u7684\u4e00\u4e2a\u5f00\u6e90\u534f\u4f5c\u5e73\u53f0\u3002\r\n\r\nMattermost\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u5904\u7406\u5305\u542b\u5b57\u7b26\u4e32\u5b57\u6bb5\u7684\u9644\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u521b\u5efa\u5e76\u53d1\u9001\u6b64\u7c7b\u5e16\u5b50\u5230\u9891\u9053\u6765\u5bfc\u81f4Web\u5e94\u7528\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Mattermost\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2025-12635\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Mattermost Mattermost \u003e10.2\uff0c\u003c=10.2.0",
      "Mattermost Mattermost \u003e9.11\uff0c\u003c=9.11.5",
      "Mattermost Mattermost \u003e10.0\uff0c\u003c=10.0.3",
      "Mattermost Mattermost \u003e10.1\uff0c\u003c=10.1.3"
    ]
  },
  "referenceLink": "https://mattermost.com/security-updates",
  "serverity": "\u4e2d",
  "submitTime": "2025-01-20",
  "title": "Mattermost\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2025-12635\uff09"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.