VDB-130240 · CVE-2019-1646 · BID 106723

Cisco SD-WAN Solution CLI access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Cisco SD-WAN Solution. Affected by this vulnerability is an unknown functionality of the component CLI. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2019-1646. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Cisco SD-WAN Solution (Network Management Software) (unknown version). This vulnerability affects an unknown code block of the component CLI. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the local CLI of the Cisco SD-WAN Solution could allow an authenticated, local attacker to escalate privileges and modify device configuration files. The vulnerability exists because user input is not properly sanitized for certain commands at the CLI. An attacker could exploit this vulnerability by sending crafted commands to the CLI of an affected device. A successful exploit could allow the attacker to establish an interactive session with elevated privileges. The attacker could then use the elevated privileges to further compromise the device or obtain additional configuration data from the device.

The bug was discovered 01/23/2019. The weakness was published 01/24/2019 with Cisco as cisco-sa-20190123-sdwan-escal as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2019-1646 since 12/06/2018. The attack needs to be approached locally. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/03/2023). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106723†). Similar entries are available at VDB-130244, VDB-130243, VDB-130242 and VDB-130241. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Network Management Software

Vendor

Cisco

Name

SD-WAN Solution

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/06/2018 🔍
01/23/2019 +48 days 🔍
01/23/2019 +0 days 🔍
01/24/2019 +1 days 🔍
01/24/2019 +0 days 🔍
01/25/2019 +1 days 🔍
07/03/2023 +1620 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190123-sdwan-escal
Organization: Cisco
Status: Confirmed

CVE: CVE-2019-1646 (🔍)
GCVE (CVE): GCVE-0-2019-1646
GCVE (VulDB): GCVE-100-130240
SecurityFocus: 106723 - Cisco SD-WAN CVE-2019-1646 Multiple Privilege Escalation Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/25/2019 08:05
Updated: 07/03/2023 13:21
Changes: 01/25/2019 08:05 (62), 05/06/2020 09:14 (4), 07/03/2023 13:21 (14)
Complete: 🔍
Cache ID: 216::103

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