VDB-163646 · CVE-2020-15897 · GCVE-0-2020-15897

Arista EOS prior 4.21.12M/4.22.7M/4.23.5M/4.24.2F IS-IS Router privilege escalation

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Arista EOS. Affected is an unknown function of the component IS-IS Router. Such manipulation leads to Remote Privilege Escalation. This vulnerability is documented as CVE-2020-15897. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Arista EOS. It has been rated as critical. Affected by this issue is an unknown function of the component IS-IS Router. The manipulation with an unknown input leads to a remote privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability.

The weakness was released 10/26/2020. The advisory is available at arista.com. This vulnerability is handled as CVE-2020-15897. The attack may be launched remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 4.21.12M, 4.22.7M, 4.23.5M or 4.24.2F eliminates this vulnerability.

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Productinfo

Vendor

Arista

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

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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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 🔍

Upgrade: EOS 4.21.12M/4.22.7M/4.23.5M/4.24.2F

Timelineinfo

07/22/2020 🔍
10/26/2020 +96 days 🔍
10/26/2020 +0 days 🔍
11/27/2020 +32 days 🔍

Sourcesinfo

Advisory: arista.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-15897 (🔍)
GCVE (CVE): GCVE-0-2020-15897
GCVE (VulDB): GCVE-100-163646

Entryinfo

Created: 10/26/2020 20:55
Updated: 11/27/2020 08:16
Changes: 10/26/2020 20:55 (35), 11/27/2020 08:09 (3), 11/27/2020 08:16 (18)
Complete: 🔍
Cache ID: 216::103