VDB-163442 · CVE-2020-3458 · GCVE-0-2020-3458

Cisco ASA/Firepower Threat Defense Secure Boot protection mechanism

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 ASA and Firepower Threat Defense. It has been declared as critical. This issue affects some unknown processing of the component Secure Boot. Such manipulation leads to protection mechanism. This vulnerability is uniquely identified as CVE-2020-3458. Local access is required to approach this attack. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco ASA and Firepower Threat Defense (Firewall Software) (version now known). Affected by this issue is some unknown processing of the component Secure Boot. The manipulation with an unknown input leads to a protection mechanism vulnerability. Using CWE to declare the problem leads to CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/23/2020. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2020-3458. The exploitation is known to be easy. Local access is required to approach this attack. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Firewall Software

Vendor

Cisco

Name

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: 6.6

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

NVD Base Score: 6.7
NVD Vector: 🔍

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: Protection mechanism
CWE: CWE-693
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

12/12/2019 🔍
10/23/2020 +315 days 🔍
10/23/2020 +0 days 🔍
11/26/2020 +33 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: tools.cisco.com
Status: Confirmed

CVE: CVE-2020-3458 (🔍)
GCVE (CVE): GCVE-0-2020-3458
GCVE (VulDB): GCVE-100-163442

Entryinfo

Created: 10/23/2020 11:15
Updated: 11/26/2020 00:02
Changes: 10/23/2020 11:15 (36), 11/25/2020 23:59 (2), 11/26/2020 00:02 (17)
Complete: 🔍
Cache ID: 216::103