VDB-135109 · CVE-2019-1779 · BID 108394

Cisco NX-OS/FXOS CLI command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cisco NX-OS and FXOS. The impacted element is an unknown function of the component CLI. This manipulation causes command injection. The identification of this vulnerability is CVE-2019-1779. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Cisco NX-OS and FXOS (Router Operating System) (affected version not known). Affected by this vulnerability is some unknown functionality of the component CLI. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the CLI of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device with elevated privileges. The vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with elevated privileges. An attacker would need valid device credentials to exploit this vulnerability.

The bug was discovered 05/15/2019. The weakness was shared 05/15/2019 as cisco-sa-20190515-nxos-fxos-cm as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2019-1779 since 12/06/2018. An attack has to be approached locally. A single authentication is required for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/21/2023). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-135164 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 4.2
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: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/06/2018 🔍
05/15/2019 +160 days 🔍
05/15/2019 +0 days 🔍
05/16/2019 +1 days 🔍
09/21/2023 +1589 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190515-nxos-fxos-cm
Status: Confirmed

CVE: CVE-2019-1779 (🔍)
GCVE (CVE): GCVE-0-2019-1779
GCVE (VulDB): GCVE-100-135109
SecurityFocus: 108394

See also: 🔍

Entryinfo

Created: 05/16/2019 08:32
Updated: 09/21/2023 09:16
Changes: 05/16/2019 08:32 (57), 06/12/2020 19:01 (1), 09/21/2023 09:13 (3), 09/21/2023 09:16 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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