Vulnerability Name:

CVE-2021-21434 (CCN-196419)

Assigned:2020-12-29
Published:2021-02-08
Updated:2021-02-09
Summary:Survey administrator can craft a survey in such way that malicious code can be executed in the agent interface (i.e. another agent who wants to make changes in the survey). This issue affects: OTRS AG Survey 6.0.x version 6.0.20 and prior versions; 7.0.x version 7.0.19 and prior versions.
CVSS v3 Severity:4.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
3.5 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N)
3.4 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.7 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:M/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Multiple_Instances
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-21434

Source: XF
Type: UNKNOWN
otrs-cve202121434-xss(196419)

Source: CCN
Type: OTRS Security Advisory 2021-01
OTRS

Source: CONFIRM
Type: Vendor Advisory
https://otrs.com/release-notes/otrs-security-advisory-2021-01/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:otrs:survey:*:*:*:*:*:*:*:* (Version >= 6.0.0 and <= 6.0.20)
  • OR cpe:/a:otrs:survey:*:*:*:*:*:*:*:* (Version >= 7.0.0 and <= 7.0.19)

    • Configuration CCN 1:
  • cpe:/a:otrs:survey:6.0.20:*:*:*:*:*:*:*
  • OR cpe:/a:otrs:survey:7.0.19:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    otrs survey *
    otrs survey *
    otrs survey 6.0.20
    otrs survey 7.0.19