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Atlassian Confluence < 8.5.25 / 8.6.x < 9.2.7 / 9.3.x < 10.0.2 (CONFSERVER-100907)

🗓️ 20 Nov 2025 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 5 Views

Confluence Server versions affected by CVE-2025-22166 allow unauthenticated remote disruption.

Related
Refs
Code
ReporterTitlePublishedViews
Family
Circl
CVE-2025-22166
21 Oct 202517:27
circl
CNNVD
Atlassian Confluence Data Center and Server 安全漏洞
21 Oct 202500:00
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Atlassian
DoS (Denial of Service) Third-Party Dependency in Confluence Data Center and Server - CVE-2025-22166
19 Sep 202511:04
atlassian
CVE
CVE-2025-22166
21 Oct 202516:00
cve
Cvelist
CVE-2025-22166
21 Oct 202516:00
cvelist
EUVD
EUVD-2025-35185
21 Oct 202516:00
euvd
NVD
CVE-2025-22166
21 Oct 202516:15
nvd
Positive Technologies
PT-2025-42903
21 Oct 202500:00
ptsecurity
RedhatCVE
CVE-2025-22166
22 Oct 202516:18
redhatcve
Vulnrichment
CVE-2025-22166
21 Oct 202516:00
vulnrichment
Rows per page
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(275848);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/03/12");

  script_cve_id("CVE-2025-22166");
  script_xref(name:"IAVA", value:"2025-A-0870");

  script_name(english:"Atlassian Confluence < 8.5.25 / 8.6.x < 9.2.7 / 9.3.x < 10.0.2 (CONFSERVER-100907)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Atlassian Confluence host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in
the CONFSERVER-100907 advisory.

  - A vulnerability introduced in Confluence Data Center 2.0 allows a unauthenticated remote attacker to render
    the host unavailable for its intended users by disrupting the host's services. (CVE-2025-22166)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://jira.atlassian.com/browse/CONFSERVER-100907");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Atlassian Confluence version 8.5.25, 9.2.7, 10.0.2 or later.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-22166");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/10/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/09/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/11/20");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:atlassian:confluence");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_set_attribute(attribute:"enable_cgi_scanning", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("confluence_detect.nasl", "confluence_nix_installed.nbin", "confluence_win_installed.nbin");
  script_require_keys("installed_sw/Atlassian Confluence");

  exit(0);
}

include('vcf.inc');

var app_info = vcf::combined_get_app_info(app:'Atlassian Confluence');

var constraints = [
  { 'fixed_version' : '8.5.25', 'fixed_display' : '8.5.25 / 9.2.7 / 10.0.2' },
  { 'min_version' : '8.6.0', 'fixed_version' : '9.2.7' },
  { 'min_version' : '9.3.1', 'fixed_version' : '10.0.2' }
];

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_HOLE
);

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12 Mar 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 48.3
EPSS0.00093
SSVC
5