Vulnerability Name:

CVE-2022-42247 (CCN-237784)

Assigned:2022-10-02
Published:2022-10-02
Updated:2022-10-05
Summary:pfSense v2.5.2 was discovered to contain a cross-site scripting (XSS) vulnerability in the browser.php component. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into a file name.
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: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-2022-42247

Source: XF
Type: UNKNOWN
pfsense-cve202242247-xss(237784)

Source: CCN
Type: GitHub Web site
XSS vulnerability in pfsense v2.5.2

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://gist.github.com/enferas/b4ca7a4fb52e1b5e698f87e4d655a70a

Source: CCN
Type: pfSense GIT Repository
Encode path+fn in browser.php. Fixes #13262

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/pfsense/pfsense/commit/73ca6743954ac9f35ca293e3f2af63eac20cf32e

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-42247

Source: CCN
Type: pfSense Web site
pfSense

Vulnerable Configuration:Configuration 1:
  • cpe:/a:pfsense:pfsense:2.5.2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:pfsense:pfsense:2.5.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    pfsense pfsense 2.5.2
    pfsense pfsense 2.5.2