Cisco Vision Dynamic Signage Director up to 6.2 SP4 RBAC access control

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Vision Dynamic Signage Director up to 6.2 SP4 and classified as critical. This vulnerability affects unknown code of the component RBAC. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2020-3485. The attack may be performed from remote. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Cisco Vision Dynamic Signage Director up to 6.2 SP4. It has been declared as critical. This vulnerability affects an unknown code of the component RBAC. 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 role-based access control (RBAC) functionality of the web management software of Cisco Vision Dynamic Signage Director could allow an authenticated, remote attacker to access resources that they should not be able to access and perform actions that they should not be able to perform. The vulnerability exists because the web management software does not properly handle RBAC. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to view and delete certain screen content on the system that the attacker would not normally have privileges to access.

The weakness was presented 08/19/2020 as cisco-sa-cvdsd-rbac-y9LM5jw4 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2020-3485. The attack can be initiated remotely. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Applying the patch 6.2 SP5 is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-160111 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

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

Vendor Base Score (Cisco): 6.3
Vendor Vector (Cisco): 🔍

NVD Base Score: 6.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-264
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 6.2 SP5

Timelineinfo

12/12/2019 🔍
08/19/2020 +251 days 🔍
08/19/2020 +0 days 🔍
08/21/2020 +2 days 🔍
11/10/2020 +81 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-cvdsd-rbac-y9LM5jw4
Status: Confirmed

CVE: CVE-2020-3485 (🔍)
GCVE (CVE): GCVE-0-2020-3485
GCVE (VulDB): GCVE-100-160108
See also: 🔍

Entryinfo

Created: 08/21/2020 20:00
Updated: 11/10/2020 18:28
Changes: 08/21/2020 20:00 (52), 08/21/2020 20:05 (10), 11/10/2020 18:22 (1), 11/10/2020 18:28 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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