Cisco IOS XE SD-WAN CLI os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS XE SD-WAN. Affected is an unknown function of the component CLI. Performing a manipulation results in os command injection. This vulnerability is identified as CVE-2021-1529. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco IOS XE SD-WAN (Router Operating System) (affected version unknown). This affects an unknown functionality of the component CLI. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 10/21/2021 as cisco-sa-sd-wan-rhpbE34A. It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-1529 since 11/13/2020. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/28/2021). The attack technique deployed by this issue is T1202 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: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2020 🔍
10/21/2021 +341 days 🔍
10/21/2021 +0 days 🔍
10/28/2021 +7 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-sd-wan-rhpbE34A
Status: Confirmed

CVE: CVE-2021-1529 (🔍)
GCVE (CVE): GCVE-0-2021-1529
GCVE (VulDB): GCVE-100-185151
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 10/21/2021 08:34
Updated: 10/28/2021 08:41
Changes: 10/21/2021 08:34 (49), 10/28/2021 08:39 (1), 10/28/2021 08:41 (18)
Complete: 🔍
Cache ID: 216::103

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