Vulnerability Name:

CVE-2021-21441 (CCN-203813)

Assigned:2020-12-29
Published:2021-06-16
Updated:2021-06-29
Summary:There is a XSS vulnerability in the ticket overview screens. It's possible to collect various information by having an e-mail shown in the overview screen. Attack can be performed by sending specially crafted e-mail to the system and it doesn't require any user intraction. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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): None
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-21441

Source: XF
Type: UNKNOWN
otrsag-cve202121441-xss(203813)

Source: CCN
Type: OTRS Security Advisory 2021-11
OTRS

Source: MISC
Type: Release Notes, Vendor Advisory
https://otrs.com/release-notes/otrs-security-advisory-2021-11/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:otrs:otrs:*:*:*:*:community:*:*:* (Version >= 6.0.1
  • OR cpe:/a:otrs:otrs:*:*:*:*:*:*:*:* (Version >= 7.0.0 and <= 7.0.26)

    • Configuration CCN 1:
  • cpe:/a:otrs:otrs:7.0.4:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.6:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.7:*:*:*:community:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.5:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.8:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.12:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.13:*:*:*:-:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.14:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.15:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.15:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.16:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.11:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.17:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.18:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.21:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.23:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:otrs:7.0.24:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    otrs otrs *
    otrs otrs *
    otrs otrs 7.0.4
    otrs otrs 7.0.6
    otrs otrs 7.0.7
    otrs otrs 7.0.5
    otrs otrs 7.0.8
    otrs otrs 7.0.12
    otrs otrs 7.0.13
    otrs otrs 7.0.14
    otrs otrs 7.0.15
    otrs otrs 7.0.15
    otrs otrs 7.0.16
    otrs otrs 7.0.11
    otrs otrs 7.0.17
    otrs otrs 7.0.18
    otrs otrs 7.0.21
    otrs otrs 7.0.23
    otrs otrs 7.0.24