Vulnerability Name:

CVE-2021-36095 (CCN-208750)

Assigned:2021-09-06
Published:2021-09-06
Updated:2021-09-09
Summary:Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-640
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-36095

Source: XF
Type: UNKNOWN
otrs-cve202136095-info-disc(208750)

Source: CCN
Type: OTRS Security Advisory 2021-18
User enumeration issue using “lost password” feature (CVE-2021-36095)

Source: CONFIRM
Type: Vendor Advisory
https://otrs.com/release-notes/otrs-security-advisory-2021-18/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:otrs:otrs:*:*:*:*:community:*:*:* (Version >= 6.0.1
  • OR cpe:/a:otrs:otrs:*:*:*:*:-:*:*:* (Version >= 7.0.0 and < 7.0.29)

    • Configuration CCN 1:
  • cpe:/a:otrs:otrs:7.0.28:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    otrs otrs *
    otrs otrs *
    otrs otrs 7.0.28