Vulnerability Name:

CVE-2021-43359 (CCN-214359)

Assigned:2021-11-30
Published:2021-11-30
Updated:2022-07-25
Summary:Sunnet eHRD has broken access control vulnerability, which allows a remote attacker to access account management page after being authenticated as a general user, then perform privilege escalation to execute arbitrary code and control the system or interrupt services.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.0 High (CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-43359

Source: XF
Type: UNKNOWN
sunnet-cve202143359-priv-esc(214359)

Source: CCN
Type: Sunnet Web site
Sunnet eHRD

Source: CCN
Type: TWCERT TVN-202111007
Sunnet eHRD - Broken Access Control

Source: CONFIRM
Type: Third Party Advisory
N/A

Vulnerable Configuration:Configuration 1:
  • cpe:/a:sun:ehrd:9:*:*:*:*:*:*:*
  • OR cpe:/a:sun:ehrd:8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    sun ehrd 9
    sun ehrd 8