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CVE-2025-64998

🗓️ 24 Mar 2026 11:25:58Reported by CheckmkType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

CVE-2025-64998 exposes the session signing secret in Checkmk, enabling remote admins with config sync to hijack central sessions.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2025-64998
24 Mar 202611:25
attackerkb
CNNVD
Checkmk 安全漏洞
24 Mar 202600:00
cnnvd
Cvelist
CVE-2025-64998 Session hijacking via exposed session signing secret in distributed Checkmk setups
24 Mar 202611:25
cvelist
EUVD
EUVD-2025-208958
24 Mar 202612:30
euvd
NVD
CVE-2025-64998
24 Mar 202612:16
nvd
OSV
UBUNTU-CVE-2025-64998
24 Mar 202612:16
osv
Positive Technologies
PT-2026-27382
24 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2025-64998
26 Mar 202615:04
redhatcve
UbuntuCve
CVE-2025-64998
24 Mar 202612:16
ubuntucve
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2025-64998
28 Mar 202600:00
nessus
Rows per page
NVD
CNA
Node
checkmkcheckmkMatch2.2.0-
OR
checkmkcheckmkMatch2.2.0b1
OR
checkmkcheckmkMatch2.2.0b2
OR
checkmkcheckmkMatch2.2.0b3
OR
checkmkcheckmkMatch2.2.0b4
OR
checkmkcheckmkMatch2.2.0b5
OR
checkmkcheckmkMatch2.2.0b6
OR
checkmkcheckmkMatch2.2.0b7
OR
checkmkcheckmkMatch2.2.0b8
OR
checkmkcheckmkMatch2.2.0i1
OR
checkmkcheckmkMatch2.2.0p1
OR
checkmkcheckmkMatch2.2.0p10
OR
checkmkcheckmkMatch2.2.0p11
OR
checkmkcheckmkMatch2.2.0p12
OR
checkmkcheckmkMatch2.2.0p13
OR
checkmkcheckmkMatch2.2.0p14
OR
checkmkcheckmkMatch2.2.0p15
OR
checkmkcheckmkMatch2.2.0p16
OR
checkmkcheckmkMatch2.2.0p17
OR
checkmkcheckmkMatch2.2.0p18
OR
checkmkcheckmkMatch2.2.0p19
OR
checkmkcheckmkMatch2.2.0p2
OR
checkmkcheckmkMatch2.2.0p20
OR
checkmkcheckmkMatch2.2.0p21
OR
checkmkcheckmkMatch2.2.0p22
OR
checkmkcheckmkMatch2.2.0p23
OR
checkmkcheckmkMatch2.2.0p24
OR
checkmkcheckmkMatch2.2.0p25
OR
checkmkcheckmkMatch2.2.0p26
OR
checkmkcheckmkMatch2.2.0p27
OR
checkmkcheckmkMatch2.2.0p28
OR
checkmkcheckmkMatch2.2.0p29
OR
checkmkcheckmkMatch2.2.0p3
OR
checkmkcheckmkMatch2.2.0p30
OR
checkmkcheckmkMatch2.2.0p31
OR
checkmkcheckmkMatch2.2.0p32
OR
checkmkcheckmkMatch2.2.0p33
OR
checkmkcheckmkMatch2.2.0p34
OR
checkmkcheckmkMatch2.2.0p35
OR
checkmkcheckmkMatch2.2.0p36
OR
checkmkcheckmkMatch2.2.0p37
OR
checkmkcheckmkMatch2.2.0p38
OR
checkmkcheckmkMatch2.2.0p39
OR
checkmkcheckmkMatch2.2.0p4
OR
checkmkcheckmkMatch2.2.0p40
OR
checkmkcheckmkMatch2.2.0p41
OR
checkmkcheckmkMatch2.2.0p42
OR
checkmkcheckmkMatch2.2.0p43
OR
checkmkcheckmkMatch2.2.0p44
OR
checkmkcheckmkMatch2.2.0p45
OR
checkmkcheckmkMatch2.2.0p46
OR
checkmkcheckmkMatch2.2.0p47
OR
checkmkcheckmkMatch2.2.0p5
OR
checkmkcheckmkMatch2.2.0p6
OR
checkmkcheckmkMatch2.2.0p7
OR
checkmkcheckmkMatch2.2.0p8
OR
checkmkcheckmkMatch2.2.0p9
OR
checkmkcheckmkMatch2.3.0-
OR
checkmkcheckmkMatch2.3.0b1
OR
checkmkcheckmkMatch2.3.0b2
OR
checkmkcheckmkMatch2.3.0b3
OR
checkmkcheckmkMatch2.3.0b4
OR
checkmkcheckmkMatch2.3.0b5
OR
checkmkcheckmkMatch2.3.0b6
OR
checkmkcheckmkMatch2.3.0p1
OR
checkmkcheckmkMatch2.3.0p10
OR
checkmkcheckmkMatch2.3.0p11
OR
checkmkcheckmkMatch2.3.0p12
OR
checkmkcheckmkMatch2.3.0p13
OR
checkmkcheckmkMatch2.3.0p14
OR
checkmkcheckmkMatch2.3.0p15
OR
checkmkcheckmkMatch2.3.0p16
OR
checkmkcheckmkMatch2.3.0p17
OR
checkmkcheckmkMatch2.3.0p18
OR
checkmkcheckmkMatch2.3.0p19
OR
checkmkcheckmkMatch2.3.0p2
OR
checkmkcheckmkMatch2.3.0p20
OR
checkmkcheckmkMatch2.3.0p21
OR
checkmkcheckmkMatch2.3.0p22
OR
checkmkcheckmkMatch2.3.0p23
OR
checkmkcheckmkMatch2.3.0p24
OR
checkmkcheckmkMatch2.3.0p25
OR
checkmkcheckmkMatch2.3.0p26
OR
checkmkcheckmkMatch2.3.0p27
OR
checkmkcheckmkMatch2.3.0p28
OR
checkmkcheckmkMatch2.3.0p29
OR
checkmkcheckmkMatch2.3.0p3
OR
checkmkcheckmkMatch2.3.0p30
OR
checkmkcheckmkMatch2.3.0p31
OR
checkmkcheckmkMatch2.3.0p32
OR
checkmkcheckmkMatch2.3.0p33
OR
checkmkcheckmkMatch2.3.0p34
OR
checkmkcheckmkMatch2.3.0p35
OR
checkmkcheckmkMatch2.3.0p36
OR
checkmkcheckmkMatch2.3.0p37
OR
checkmkcheckmkMatch2.3.0p38
OR
checkmkcheckmkMatch2.3.0p39
OR
checkmkcheckmkMatch2.3.0p4
OR
checkmkcheckmkMatch2.3.0p40
OR
checkmkcheckmkMatch2.3.0p41
OR
checkmkcheckmkMatch2.3.0p42
OR
checkmkcheckmkMatch2.3.0p43
OR
checkmkcheckmkMatch2.3.0p44
OR
checkmkcheckmkMatch2.3.0p5
OR
checkmkcheckmkMatch2.3.0p6
OR
checkmkcheckmkMatch2.3.0p7
OR
checkmkcheckmkMatch2.3.0p8
OR
checkmkcheckmkMatch2.3.0p9
OR
checkmkcheckmkMatch2.4.0-
OR
checkmkcheckmkMatch2.4.0b1
OR
checkmkcheckmkMatch2.4.0b2
OR
checkmkcheckmkMatch2.4.0b3
OR
checkmkcheckmkMatch2.4.0b4
OR
checkmkcheckmkMatch2.4.0b5
OR
checkmkcheckmkMatch2.4.0b6
OR
checkmkcheckmkMatch2.4.0p1
OR
checkmkcheckmkMatch2.4.0p10
OR
checkmkcheckmkMatch2.4.0p11
OR
checkmkcheckmkMatch2.4.0p12
OR
checkmkcheckmkMatch2.4.0p13
OR
checkmkcheckmkMatch2.4.0p14
OR
checkmkcheckmkMatch2.4.0p15
OR
checkmkcheckmkMatch2.4.0p16
OR
checkmkcheckmkMatch2.4.0p17
OR
checkmkcheckmkMatch2.4.0p18
OR
checkmkcheckmkMatch2.4.0p19
OR
checkmkcheckmkMatch2.4.0p2
OR
checkmkcheckmkMatch2.4.0p20
OR
checkmkcheckmkMatch2.4.0p21
OR
checkmkcheckmkMatch2.4.0p22
OR
checkmkcheckmkMatch2.4.0p3
OR
checkmkcheckmkMatch2.4.0p4
OR
checkmkcheckmkMatch2.4.0p5
OR
checkmkcheckmkMatch2.4.0p6
OR
checkmkcheckmkMatch2.4.0p7
OR
checkmkcheckmkMatch2.4.0p8
OR
checkmkcheckmkMatch2.4.0p9
[
  {
    "defaultStatus": "unaffected",
    "product": "Checkmk",
    "vendor": "Checkmk GmbH",
    "versions": [
      {
        "lessThan": "2.4.0p23",
        "status": "affected",
        "version": "2.4.0",
        "versionType": "semver"
      },
      {
        "lessThan": "2.3.0p45",
        "status": "affected",
        "version": "2.3.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.2.0",
        "versionType": "semver"
      }
    ]
  }
]

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12 May 2026 13:34Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.2
CVSS 47.3
EPSS0.0002
SSVC
7