Vulnerability Name:

CVE-2021-24085 (CCN-195581)

Assigned:2021-02-09
Published:2021-02-09
Updated:2021-03-04
Summary:Microsoft Exchange Server Spoofing Vulnerability This CVE ID is unique from CVE-2021-1730.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L)
5.0 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L)
5.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.0 Medium (CVSS v2 Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-24085

Source: XF
Type: UNKNOWN
ms-exchange-cve202124085-spoofing(195581)

Source: CCN
Type: Packet Storm Security [02-24-2021]
Microsoft Exchange Server msExchEcpCanary CSRF / Privilege Escalation

Source: CCN
Type: Microsoft Security TechCenter - February 2021
Microsoft Exchange Server Spoofing Vulnerability

Source: N/A
Type: Patch, Vendor Advisory
N/A

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft exchange server 2016 cumulative_update_18
    microsoft exchange server 2016 cumulative_update_19
    microsoft exchange server 2019 cumulative_update_7
    microsoft exchange server 2019 cumulative_update_8
    microsoft exchange server 2016 cumulative_update_18
    microsoft exchange server 2019 cumulative_update_7