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Adobe Dreamweaver 21.0 < 21.6 Arbitrary code execution (APSB25-91) (macOS)

🗓️ 09 Sep 2025 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 5 Views

Dreamweaver on macOS before 21.6 is vulnerable to CSRF potentially enabling arbitrary code execution (APSB25-91, CVE-2025-54256).

Related
Refs
Code
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(261793);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/21");

  script_cve_id("CVE-2025-54256");
  script_xref(name:"IAVA", value:"2025-A-0650-S");

  script_name(english:"Adobe Dreamweaver 21.0 < 21.6 Arbitrary code execution (APSB25-91) (macOS)");

  script_set_attribute(attribute:"synopsis", value:
"The Adobe Dreamweaver instance installed on the remote host is affected by an arbitrary code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Adobe Dreamweaver installed on the remote macOS host is prior to 21.6. It is, therefore, affected by a
vulnerability as referenced in the APSB25-91 advisory.

  - Cross-Site Request Forgery (CSRF) (CWE-352) potentially leading to Arbitrary code execution
    (CVE-2025-54256)

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://helpx.adobe.com/security/products/dreamweaver/apsb25-91.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Adobe Dreamweaver version 21.6 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  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:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-54256");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(352);

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/09/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/09/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/09/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:dreamweaver");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

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

  script_dependencies("macosx_adobe_dreamweaver_installed.nbin");
  script_require_keys("installed_sw/Adobe Dreamweaver");

  exit(0);
}

include('vcf.inc');

get_kb_item_or_exit('SMB/Registry/Enumerated');

var app_info = vcf::get_app_info(app:'Adobe Dreamweaver');

var constraints = [
  { 'min_version' : '21.0', 'max_version' : '21.5', 'fixed_version' : '21.6' }
];

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_WARNING,
    flags:{'xsrf':TRUE}
);

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21 Jan 2026 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.18.6
EPSS0.00166
SSVC
5