CVE-2020-10918 : This vulnerability allows remote attackers to bypass authentication on affected

This vulnerability allows remote attackers to bypass authentication on affected installations of C-MORE HMI EA9 Firmware version 6.52 touch screen panels. Authentication is not required to exploit this vulnerability. The specific flaw exists within the authentication mechanism. The issue is due to insufficient authentication on post-authentication requests. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from unauthenticated users. Was ZDI-CAN-10182.

Published 2020-07-23 16:15:12

Updated 2020-07-28 18:29:38

Source Zero Day Initiative

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2020-10918

Automationdirect » C-more Hmi Ea9 Firmware » Version: 6.52
cpe:2.3:o:automationdirect:c-more_hmi_ea9_firmware:6.52:*:*:*:*:*:*:*
Matching versions
When used together with: Automationdirect » Ea9-pgmsw » Version: N/A
When used together with: Automationdirect » Ea9-rhmi » Version: N/A
When used together with: Automationdirect » Ea9-t10cl » Version: N/A
When used together with: Automationdirect » Ea9-t10wcl » Version: N/A
When used together with: Automationdirect » Ea9-t12cl » Version: N/A
When used together with: Automationdirect » Ea9-t15cl » Version: N/A
When used together with: Automationdirect » Ea9-t15cl-r » Version: N/A
When used together with: Automationdirect » Ea9-t6cl » Version: N/A
When used together with: Automationdirect » Ea9-t6cl-r » Version: N/A
When used together with: Automationdirect » Ea9-t7cl » Version: N/A
When used together with: Automationdirect » Ea9-t7cl-r » Version: N/A
When used together with: Automationdirect » Ea9-t8cl » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-10918

EPSS FAQ

0.90%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 83 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-10918

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	Zero Day Initiative
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2020-10918

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Assigned by: zdi-disclosures@trendmicro.com (Primary)

References for CVE-2020-10918

https://www.zerodayinitiative.com/advisories/ZDI-20-805/

ZDI-20-805 | Zero Day Initiative
Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2020-10918

Products affected by CVE-2020-10918

Exploit prediction scoring system (EPSS) score for CVE-2020-10918

CVSS scores for CVE-2020-10918

CWE ids for CVE-2020-10918

References for CVE-2020-10918