Vulnerability Name:

CVE-2021-27933 (CCN-200845)

Assigned:2021-03-03
Published:2021-03-03
Updated:2021-05-01
Summary:pfSense 2.5.0 allows XSS via the services_wol_edit.php Description field.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
7.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N)
6.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-27933

Source: FULLDISC
Type: Exploit, Mailing List, Third Party Advisory
20210427 XSS stored in PFSense 2.5.0 CVE-2021-27933

Source: XF
Type: UNKNOWN
pfsense-cve202127933-xss(200845)

Source: CCN
Type: Packet Storm Security [04-28-2021]
PFSense 2.5.0 Cross Site Scripting

Source: CCN
Type: Full-Disclosure Mailing List, Tue, 27 Apr 2021 15:13:24 -0300
XSS stored in PFSense 2.5.0 CVE-2021-27933

Source: CCN
Type: PFSense Web site
PFSense

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-27933

Vulnerable Configuration:Configuration 1:
  • cpe:/a:pfsense:pfsense:2.5.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:pfsense:pfsense:2.5.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
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