VDB-176344 · CVE-2021-1528 · GCVE-0-2021-1528

Cisco SD-WAN CLI unnecessary privileges

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Cisco SD-WAN. This vulnerability affects unknown code of the component CLI. Executing a manipulation can lead to unnecessary privileges. The identification of this vulnerability is CVE-2021-1528. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco SD-WAN (Network Management Software) (version unknown). It has been declared as critical. This vulnerability affects an unknown function of the component CLI. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. The CWE definition for the vulnerability is CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 06/04/2021 as cisco-sa-sd-wan-fuErCWwF. The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2021-1528. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

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Productinfo

Type

Network Management Software

Vendor

Cisco

Name

SD-WAN

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Unnecessary privileges
CWE: CWE-250
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2020 🔍
06/04/2021 +202 days 🔍
06/04/2021 +0 days 🔍
06/07/2021 +3 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-sd-wan-fuErCWwF
Status: Confirmed

CVE: CVE-2021-1528 (🔍)
GCVE (CVE): GCVE-0-2021-1528
GCVE (VulDB): GCVE-100-176344

Entryinfo

Created: 06/04/2021 21:04
Updated: 06/07/2021 19:57
Changes: 06/04/2021 21:04 (37), 06/07/2021 19:50 (5), 06/07/2021 19:57 (1)
Complete: 🔍
Cache ID: 216::103