Ubiquiti Networks EdgeSwitch up to 1.1.0 Port Forwarding access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Ubiquiti Networks EdgeSwitch up to 1.1.0. This issue affects some unknown processing of the component Port Forwarding. Performing a manipulation results in access control. This vulnerability is known as CVE-2019-5426. Remote exploitation of the attack is possible. No exploit is available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability classified as critical has been found in Ubiquiti Networks EdgeSwitch up to 1.1.0. This affects some unknown processing of the component Port Forwarding. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In Ubiquiti Networks EdgeSwitch X v1.1.0 and prior, an unauthenticated user can use the "local port forwarding" and "dynamic port forwarding" (SOCKS proxy) functionalities. Remote attackers without credentials can exploit this bug to access local services or forward traffic through the device if SSH is enabled in the system settings.

The bug was discovered 03/27/2019. The weakness was published 04/10/2019 (Website). It is possible to read the advisory at community.ubnt.com. This vulnerability is uniquely identified as CVE-2019-5426 since 01/04/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k.

It is possible to mitigate the weakness by firewalling .

Similar entries are available at VDB-133333 and VDB-133334. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2019 🔍
03/27/2019 +82 days 🔍
04/10/2019 +14 days 🔍
04/11/2019 +1 days 🔍
05/29/2020 +414 days 🔍

Sourcesinfo

Advisory: community.ubnt.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-5426 (🔍)
GCVE (CVE): GCVE-0-2019-5426
GCVE (VulDB): GCVE-100-133335
See also: 🔍

Entryinfo

Created: 04/11/2019 10:17
Updated: 05/29/2020 09:03
Changes: 04/11/2019 10:17 (57), 05/29/2020 09:03 (2)
Complete: 🔍
Cache ID: 216::103

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