VDB-152011 · CVE-2019-20626 · GCVE-0-2019-20626

Honda HR-V 2017 RF Communication Request authentication replay

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Honda HR-V 2017. This affects an unknown part of the component RF Communication. This manipulation as part of Request causes authentication replay. This vulnerability is handled as CVE-2019-20626. It is possible to launch the attack on the local host. There is not any exploit available. This vulnerability is considered historic because of its background and reception.

Detailsinfo

A vulnerability classified as critical was found in Honda HR-V 2017 (version now known). Affected by this vulnerability is some unknown processing of the component RF Communication. The manipulation as part of a Request leads to a authentication replay vulnerability. The CWE definition for the vulnerability is CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). As an impact it is known to affect confidentiality. The summary by CVE is:

The remote keyless system on Honda HR-V 2017 vehicles sends the same RF signal for each door-open request, which might allow a replay attack.

The weakness was released 03/23/2020. This vulnerability is known as CVE-2019-20626 since 03/23/2020. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/24/2020). The attack technique deployed by this issue is T1040 according to MITRE ATT&CK. Due to its background and reception, this vulnerability has a historic impact.

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

Honda

Name

HR-V 2017

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication replay
CWE: CWE-294 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

03/23/2020 🔍
03/23/2020 +0 days 🔍
03/24/2020 +1 days 🔍
04/18/2024 +1486 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-20626 (🔍)
GCVE (CVE): GCVE-0-2019-20626
GCVE (VulDB): GCVE-100-152011

Entryinfo

Created: 03/24/2020 07:56
Updated: 04/18/2024 20:55
Changes: 03/24/2020 07:56 (37), 03/24/2020 08:01 (17), 04/18/2024 20:55 (17)
Complete: 🔍
Cache ID: 216::103