Cisco IOS XE Diagnostic Test CLI Command write-what-where condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Cisco IOS XE. The impacted element is an unknown function of the component Diagnostic Test CLI Command Handler. The manipulation leads to write-what-where condition. This vulnerability is referenced as CVE-2021-1390. The attack can only be performed from a local environment. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS XE (Router Operating System) (version now known). This issue affects some unknown processing of the component Diagnostic Test CLI Command Handler. The manipulation with an unknown input leads to a write-what-where condition vulnerability. Using CWE to declare the problem leads to CWE-123. Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was published 03/25/2021 as cisco-sa-XE-OFP-6Nezgn7b. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2021-1390. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/04/2021).

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Write-what-where condition
CWE: CWE-123 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2020 🔍
03/25/2021 +132 days 🔍
03/25/2021 +0 days 🔍
04/04/2021 +10 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-XE-OFP-6Nezgn7b
Status: Confirmed

CVE: CVE-2021-1390 (🔍)
GCVE (CVE): GCVE-0-2021-1390
GCVE (VulDB): GCVE-100-171695
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 03/25/2021 09:04
Updated: 04/04/2021 21:44
Changes: 03/25/2021 09:04 (37), 04/04/2021 21:42 (5), 04/04/2021 21:44 (17)
Complete: 🔍
Cache ID: 216::103

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