VDB-133357 · CVE-2018-20487 · GCVE-0-2018-20487

Inteno iopsys up to 1.x/2.x/3.16 JSON-RPC path input validation

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.
8.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Inteno iopsys up to 1.x/2.x/3.16. It has been rated as critical. This issue affects some unknown processing of the component JSON-RPC Handler. This manipulation of the argument path as part of Argument causes input validation. This vulnerability is tracked as CVE-2018-20487. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Inteno iopsys up to 1.x/2.x/3.16 and classified as critical. Affected by this vulnerability is an unknown function of the component JSON-RPC Handler. The manipulation of the argument path as part of a Argument leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the firewall3 component in Inteno IOPSYS 1.0 through 3.16. The attacker must make a JSON-RPC method call to add a firewall rule as an "include" and point the "path" argument to a malicious script or binary. This gets executed as root when the firewall changes are committed.

The weakness was disclosed 04/11/2019 (Website). The advisory is shared at public.inteno.se. This vulnerability is known as CVE-2018-20487 since 12/26/2018. The attack can be launched remotely. The successful exploitation requires a single authentication. Technical details are known, but no exploit is available.

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

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Productinfo

Vendor

Inteno

Name

iopsys

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Input validation
CWE: CWE-20
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: 🔍

Patch: e6159ca928d7f0c143be213afc6bf810c0329fe2

Timelineinfo

12/26/2018 🔍
04/11/2019 +106 days 🔍
04/12/2019 +1 days 🔍
08/29/2023 +1600 days 🔍

Sourcesinfo

Advisory: public.inteno.se
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-20487 (🔍)
GCVE (CVE): GCVE-0-2018-20487
GCVE (VulDB): GCVE-100-133357

Entryinfo

Created: 04/12/2019 06:47
Updated: 08/29/2023 07:46
Changes: 04/12/2019 06:47 (56), 05/29/2020 10:00 (1), 08/29/2023 07:46 (4)
Complete: 🔍
Cache ID: 216::103