| Vulnerability Name: | CVE-2020-26693 (CCN-202874) |
| Assigned: | 2020-09-30 |
| Published: | 2020-09-30 |
| Updated: | 2021-06-09 |
| Summary: | A stored cross-site scripting (XSS) vulnerability was discovered in pfSense 2.4.5-p1 which allows an authenticated attacker to execute arbitrary web scripts via exploitation of the load_balancer_monitor.php function.
|
| CVSS v3 Severity: | 5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low
User Interaction (UI): Required | | Scope: | Scope (S): Changed
| | Impact Metrics: | Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None |
6.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)
6.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low
User Interaction (UI): None | | Scope: | Scope (S): Changed
| | 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 |
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
| | 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-2020-26693
Source: XF
Type: UNKNOWN
pfsense-cve202026693-xss(202874)
Source: CCN
Type: pfSense GIT Repository
Fix encoding and validation on load_balancer_monitor*. Fixes #10940
Source: MISC
Type: Patch, Third Party Advisory
https://github.com/pfsense/pfsense/commit/a220a22a8c05c10a7b875ac6b565f2c4fe7b251c
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| Vulnerable Configuration: | Configuration 1:
cpe:/a:pfsense:pfsense:2.4.5:p1:*:*:*:*:*:*
Configuration CCN 1:
cpe:/a:pfsense:pfsense:2.0.1:*:*:*:*:*:*:*OR cpe:/a:netgate:pfsense:2.1.3:*:*:*:*:*:*:*OR cpe:/a:pfsense:pfsense:2.2.2:*:*:*:*:*:*:*OR cpe:/a:pfsense:pfsense:2.2.5:*:*:*:*:*:*:*OR cpe:/a:pfsense:pfsense:2.2.6:*:*:*:*:*:*:*OR cpe:/a:pfsense:pfsense:2.3.2:*:*:*:*:*:*:*OR cpe:/a:pfsense:pfsense:2.4.1:*:*:*:*:*:*:*OR cpe:/a:pfsense:pfsense:2.4.4:p1:*:*:*:*:*:*OR cpe:/a:pfsense:pfsense:2.4.4:p2:*:*:*:*:*:*OR cpe:/a:pfsense:pfsense:2.3.4:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
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