VDB-175495 · CVE-2021-1557 · GCVE-0-2021-1557

Cisco DNA Spaces Connector CLI os command injection

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cisco DNA Spaces Connector. It has been classified as critical. Affected by this issue is some unknown functionality of the component CLI. This manipulation causes os command injection. This vulnerability is registered as CVE-2021-1557. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Cisco DNA Spaces Connector (unknown version) and classified as critical. Affected by this vulnerability is an unknown code block of the component CLI. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 05/22/2021 as cisco-sa-dnasp-conn-prvesc-q6T6BzW. It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2021-1557. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Cisco

Name

DNA Spaces Connector

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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 🔍
05/22/2021 +189 days 🔍
05/22/2021 +0 days 🔍
05/23/2021 +1 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-dnasp-conn-prvesc-q6T6BzW
Status: Confirmed

CVE: CVE-2021-1557 (🔍)
GCVE (CVE): GCVE-0-2021-1557
GCVE (VulDB): GCVE-100-175495

Entryinfo

Created: 05/22/2021 13:22
Updated: 05/23/2021 16:43
Changes: 05/22/2021 13:22 (37), 05/23/2021 16:35 (5), 05/23/2021 16:43 (1)
Complete: 🔍
Cache ID: 216::103