Cisco ASA Web Management Interface HTTP Requests improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco ASA. This impacts an unknown function of the component Web Management Interface. Executing a manipulation as part of HTTP Requests can lead to improper authorization. This vulnerability appears as CVE-2018-15465. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in Cisco ASA (Firewall Software) (affected version not known). This vulnerability affects some unknown functionality of the component Web Management Interface. The manipulation as part of a HTTP Requests leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the authorization subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, but unprivileged (levels 0 and 1), remote attacker to perform privileged actions by using the web management interface. The vulnerability is due to improper validation of user privileges when using the web management interface. An attacker could exploit this vulnerability by sending specific HTTP requests via HTTPS to an affected device as an unprivileged user. An exploit could allow the attacker to retrieve files (including the running configuration) from the device or to upload and replace software images on the device.

The bug was discovered 12/19/2018. The weakness was presented 12/24/2018 as cisco-sa-20181219-asa-privesc as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2018-15465 since 08/17/2018. The attack can be initiated remotely. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

The vulnerability scanner Nessus provides a plugin with the ID 119844 (Cisco ASA Privilege Escalation Vulnerability (cisco-sa-20181219-asa-privesc)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316360 (Cisco Adaptive Security Appliance Software Privilege Escalation Vulnerability(cisco-sa-20181219-asa-privesc)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (119844) and SecurityFocus (BID 106256†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 119844
Nessus Name: Cisco ASA Privilege Escalation Vulnerability (cisco-sa-20181219-asa-privesc)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2018 🔍
12/19/2018 +124 days 🔍
12/19/2018 +0 days 🔍
12/19/2018 +0 days 🔍
12/21/2018 +2 days 🔍
12/24/2018 +3 days 🔍
12/24/2018 +0 days 🔍
12/25/2018 +1 days 🔍
06/20/2023 +1638 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20181219-asa-privesc
Status: Confirmed

CVE: CVE-2018-15465 (🔍)
GCVE (CVE): GCVE-0-2018-15465
GCVE (VulDB): GCVE-100-128368
SecurityFocus: 106256 - Cisco Adaptive Security Appliance CVE-2018-15465 Remote Privilege Escalation Vulnerability

Entryinfo

Created: 12/25/2018 10:23 AM
Updated: 06/20/2023 07:51 PM
Changes: 12/25/2018 10:23 AM (69), 04/23/2020 08:51 PM (5), 06/20/2023 07:51 PM (14)
Complete: 🔍
Cache ID: 244:894:40

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