| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in OPNsense and pfsense and classified as critical. This issue affects some unknown processing of the component WebUI. This manipulation as part of Request causes access control. This vulnerability is handled as CVE-2019-11816. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability classified as critical was found in OPNsense and pfsense (Firewall Software) (the affected version unknown). Affected by this vulnerability is an unknown part of the component WebUI. The manipulation as part of a Request leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Incorrect access control in the WebUI in OPNsense before version 19.1.8, and pfsense before 2.4.4-p3 allows remote authenticated users to escalate privileges to administrator via a specially crafted request.
The weakness was released 05/20/2019 (Website). It is possible to read the advisory at forum.opnsense.org. This vulnerability is known as CVE-2019-11816 since 05/08/2019. The attack can be launched remotely. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 34076 (pfSense 2.4.4-p3 Not Installed Multiple Vulnerabilities (pfSense-SA-19_01)(pfSense-SA-19_02)(pfSense-SA-19_03)(pfSense-SA-19_04)(pfSense-SA-19_05)(pfSense-SA-19_06)(pfSense-SA-19_07)(pfSense-SA-19_08)).
Upgrading eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.6
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.2
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
05/08/2019 🔍05/20/2019 🔍
05/21/2019 🔍
06/13/2020 🔍
Sources
Advisory: forum.opnsense.orgStatus: Not defined
Confirmation: 🔍
CVE: CVE-2019-11816 (🔍)
GCVE (CVE): GCVE-0-2019-11816
GCVE (VulDB): GCVE-100-135271
Entry
Created: 05/21/2019 07:34Updated: 06/13/2020 22:45
Changes: 05/21/2019 07:34 (57), 06/13/2020 22:45 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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