CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
12.7%
The version of Veeam Agent for Microsoft Windows installed on the remote Windows host is affected by a privilege escalation vulnerability. Deserialization of untrusted data allows local users to run arbitrary code with local system privileges.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(184459);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/07");
script_cve_id("CVE-2022-26503");
script_name(english:"Veeam Agent for Microsoft Windows 2.x < 4.0.2.2208 / 5.x < 5.0.3.4708 Privilege Escalation");
script_set_attribute(attribute:"synopsis", value:
"Veeam Agent for Microsoft Windows installed on remote Windows host is affected by a multiple vulnerabilities");
script_set_attribute(attribute:"description", value:
"The version of Veeam Agent for Microsoft Windows installed on the remote Windows host is affected by a privilege
escalation vulnerability. Deserialization of untrusted data allows local users to run arbitrary code with local system
privileges.
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://www.veeam.com/kb4289");
script_set_attribute(attribute:"solution", value:
"Upgrade to Veeam Agent for Microsoft Windows version 4.0.2.2208, 5.0.3.4708, or later.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/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-2022-26503");
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:"2022/03/12");
script_set_attribute(attribute:"patch_publication_date", value:"2022/03/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/11/06");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:veeam:veeam");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("veeam_agent_for_microsoft_windows_installed.nbin");
script_require_keys("installed_sw/Veeam Agent for Microsoft Windows", "SMB/Registry/Enumerated");
exit(0);
}
include('vcf.inc');
get_kb_item_or_exit('SMB/Registry/Enumerated');
var app_info = vcf::get_app_info(app:'Veeam Agent for Microsoft Windows', win_local:TRUE);
var constraints = [
{ 'min_version' : '2.0', 'fixed_version' : '4.0.2.2208' },
{ 'min_version' : '5.0', 'fixed_version' : '5.0.3.4708' }
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
12.7%