VDB-163987 · CVE-2020-27888 · GCVE-0-2020-27888

Ubiquiti UniFi Meshing Access Point UAP-AC-M Credential Cache state issue

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Ubiquiti UniFi Meshing Access Point UAP-AC-M and UniFi Controller. It has been classified as problematic. Affected is an unknown function of the component Credential Cache Handler. This manipulation causes state issue. This vulnerability is tracked as CVE-2020-27888. No exploit exists.

Detailsinfo

A vulnerability was found in Ubiquiti UniFi Meshing Access Point UAP-AC-M and UniFi Controller (unknown version). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Credential Cache Handler. The manipulation with an unknown input leads to a state issue vulnerability. The CWE definition for the vulnerability is CWE-371. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 10/28/2020. It is possible to read the advisory at community.ui.com. This vulnerability is known as CVE-2020-27888. The exploitation appears to be difficult. The technical details are unknown and an exploit is not publicly available.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Ubiquiti

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: State issue
CWE: CWE-371
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2020 🔍
10/28/2020 +1 days 🔍
10/28/2020 +0 days 🔍
11/29/2020 +32 days 🔍

Sourcesinfo

Advisory: community.ui.com
Status: Not defined

CVE: CVE-2020-27888 (🔍)
GCVE (CVE): GCVE-0-2020-27888
GCVE (VulDB): GCVE-100-163987

Entryinfo

Created: 10/28/2020 13:41
Updated: 11/29/2020 18:38
Changes: 10/28/2020 13:41 (34), 11/29/2020 18:33 (2), 11/29/2020 18:38 (18)
Complete: 🔍
Cache ID: 216::103