VDB-266484 · CVE-2023-30306 · GCVE-0-2023-30306

Mercury x30g/YR1800XG TCP denial of service

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Mercury x30g and YR1800XG. This impacts an unknown function of the component TCP Handler. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2023-30306. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Mercury x30g and YR1800XG (affected version unknown). Affected is an unknown functionality of the component TCP Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

An issue discovered in Mercury x30g, Mercury YR1800XG routers allows attackers to hijack TCP sessions which could lead to a denial of service.

The advisory is shared for download at ndss-symposium.org. This vulnerability is traded as CVE-2023-30306 since 04/07/2023. It is possible to launch the attack remotely. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The exploit is shared for download at ndss-symposium.org. It is declared as proof-of-concept.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Mercury

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2023 🔍
05/28/2024 +417 days 🔍
05/28/2024 +0 days 🔍
11/23/2024 +179 days 🔍

Sourcesinfo

Advisory: ndss-symposium.org
Status: Not defined

CVE: CVE-2023-30306 (🔍)
GCVE (CVE): GCVE-0-2023-30306
GCVE (VulDB): GCVE-100-266484
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/28/2024 23:00
Updated: 11/23/2024 06:26
Changes: 05/28/2024 23:00 (54), 11/23/2024 06:26 (12)
Complete: 🔍
Cache ID: 216::103