Vulnerability Name:

CVE-2021-21435 (CCN-196418)

Assigned:2020-12-29
Published:2021-02-08
Updated:2021-02-09
Summary:Article Bcc fields and agent personal information are shown when customer prints the ticket (PDF) via external interface. This issue affects: OTRS AG OTRS 7.0.x version 7.0.23 and prior versions; 8.0.x version 8.0.10 and prior versions.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
5.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/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): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-21435

Source: XF
Type: UNKNOWN
otrs-cve202121435-info-disc(196418)

Source: CCN
Type: OTRS Security Advisory 2021-02
OTRS

Source: CONFIRM
Type: Vendor Advisory
https://otrs.com/release-notes/otrs-security-advisory-2021-02/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:otrs:otrs:*:*:*:*:community:*:*:* (Version >= 6.0.0 and <= 6.0.30)
  • OR cpe:/a:otrs:otrs:*:*:*:*:*:*:*:* (Version >= 7.0.0 and <= 7.0.23)
  • OR cpe:/a:otrs:otrs:*:*:*:*:*:*:*:* (Version >= 8.0.0 and <= 8.0.10)

    • Configuration CCN 1:
  • cpe:/a:otrs:otrs:8.0.10:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.23:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    otrs otrs *
    otrs otrs *
    otrs otrs *
    otrs otrs 8.0.10
    otrs otrs 7.0.23