Cisco IOS XR CLI Parser insertion of sensitive information into sent data

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco IOS XR. The affected element is an unknown function of the component CLI Parser. This manipulation causes insertion of sensitive information into sent data. The identification of this vulnerability is CVE-2021-1128. The attack can only be executed locally. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Cisco IOS XR (Router Operating System) (affected version unknown). Affected by this vulnerability is an unknown functionality of the component CLI Parser. The manipulation with an unknown input leads to a insertion of sensitive information into sent data vulnerability. The CWE definition for the vulnerability is CWE-201. The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. As an impact it is known to affect confidentiality.

The weakness was shared 02/05/2021 as cisco-sa-ios-infodisc-4mtm9Gyt. It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2021-1128. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Insertion of sensitive information into sent data
CWE: CWE-201 / CWE-200 / CWE-284
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 🔍
02/05/2021 +84 days 🔍
02/05/2021 +0 days 🔍
02/24/2021 +19 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ios-infodisc-4mtm9Gyt
Status: Confirmed

CVE: CVE-2021-1128 (🔍)
GCVE (CVE): GCVE-0-2021-1128
GCVE (VulDB): GCVE-100-169219
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 02/05/2021 09:10
Updated: 02/24/2021 07:47
Changes: 02/05/2021 09:10 (38), 02/24/2021 07:43 (5), 02/24/2021 07:47 (19)
Complete: 🔍
Cache ID: 216::103

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