Lucene search
K

CVE-2025-20621

🗓️ 16 Jan 2025 18:16:28Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 205 Views

Webapp crash in Mattermost due to unhandled attachment fields causing vulnerabilities in multiple versions.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2025-20621 vulnerabilities
1 May 202507:14
cgr
Circl
CVE-2025-20621
16 Jan 202518:22
circl
CNNVD
Mattermost 安全漏洞
16 Jan 202500:00
cnnvd
CNVD
Mattermost Denial of Service Vulnerability (CNVD-2025-12635)
20 Jan 202500:00
cnvd
Cvelist
CVE-2025-20621 Webapp crash via object that can't be cast to String in Attachment Field
16 Jan 202518:16
cvelist
EUVD
EUVD-2025-0107
3 Oct 202520:07
euvd
Github Security Blog
Mattermost webapp crash via a crafted post
16 Jan 202521:30
github
NVD
CVE-2025-20621
16 Jan 202519:15
nvd
OpenVAS
openSUSE Security Advisory (SUSE-SU-2025:0297-1)
31 Jan 202500:00
openvas
OSV
CGA-C98V-56MV-HWH5
29 Jan 202600:45
osv
Rows per page
NVD
Node
mattermostmattermost_serverRange9.11.09.11.6
OR
mattermostmattermost_serverRange10.0.010.0.4
OR
mattermostmattermost_serverRange10.1.010.1.4
OR
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "10.2.0",
        "status": "affected",
        "version": "10.2.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.11.5",
        "status": "affected",
        "version": "9.11.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.0.3",
        "status": "affected",
        "version": "10.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.1.3",
        "status": "affected",
        "version": "10.1.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "10.3.0"
      },
      {
        "status": "unaffected",
        "version": "2.23.0"
      },
      {
        "status": "unaffected",
        "version": "10.2.1"
      },
      {
        "status": "unaffected",
        "version": "9.11.6"
      },
      {
        "status": "unaffected",
        "version": "10.0.4"
      },
      {
        "status": "unaffected",
        "version": "10.1.4"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

01 Oct 2025 17:54Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.16.5 - 7.5
EPSS0.0039
SSVC
205