VDB-123261 · CVE-2018-15602 · GCVE-0-2018-15602

ZyXEL VMG3312 B10B connectionStatus-hostEntry.cmd Hostname Persistent cross site scripting

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 was found in ZyXEL VMG3312 B10B. It has been classified as problematic. The affected element is an unknown function of the file pages/connectionStatus/connectionStatus-hostEntry.cmd. Performing a manipulation of the argument Hostname as part of Parameter results in cross site scripting (Persistent). This vulnerability is identified as CVE-2018-15602. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in ZyXEL VMG3312 B10B (unknown version). It has been classified as problematic. This affects an unknown code block of the file pages/connectionStatus/connectionStatus-hostEntry.cmd. The manipulation of the argument hostname as part of a Parameter leads to a cross site scripting vulnerability (Persistent). CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Zyxel VMG3312 B10B devices are affected by a persistent XSS vulnerability via the pages/connectionStatus/connectionStatus-hostEntry.cmd hostname parameter.

The bug was discovered 08/21/2018. The weakness was released 08/26/2018 (Website). The advisory is shared at gist.github.com. This vulnerability is uniquely identified as CVE-2018-15602 since 08/20/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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

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

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

Productinfo

Vendor

ZyXEL

Name

VMG3312 B10B

License

commercial

Website

Vendor: https://www.zyxel.com/

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

NVD Base Score: 6.1
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

Name: Persistent
Class: Cross site scripting / Persistent
CWE: CWE-79 / CWE-94 / CWE-74
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

08/20/2018 🔍
08/21/2018 +1 days 🔍
08/26/2018 +4 days 🔍
08/26/2018 +0 days 🔍
08/27/2018 +1 days 🔍
03/18/2020 +569 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2018-15602 (🔍)
GCVE (CVE): GCVE-0-2018-15602
GCVE (VulDB): GCVE-100-123261

Entryinfo

Created: 08/27/2018 06:58
Updated: 03/18/2020 11:34
Changes: 08/27/2018 06:58 (58), 03/18/2020 11:34 (1)
Complete: 🔍
Cache ID: 216::103