Fortinet FortiOS up to 6.4.9/7.0.5/7.2.0 Security Fabric External Connector URI cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Fortinet FortiOS up to 6.4.9/7.0.5/7.2.0. This affects an unknown part of the component Security Fabric External Connector. The manipulation of the argument URI leads to cross site scripting. This vulnerability is uniquely identified as CVE-2021-43080. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability was found in Fortinet FortiOS up to 6.4.9/7.0.5/7.2.0 (Firewall Software) and classified as problematic. This issue affects some unknown processing of the component Security Fabric External Connector. The manipulation of the argument URI with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:
An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS version 7.2.0, version 6.4.0 through 6.4.9, version 7.0.0 through 7.0.5 may allow an authenticated attacker to perform a stored cross site scripting (XSS) attack through the URI parameter via the Threat Feed IP address section of the Security Fabric External connectors.
The weakness was disclosed 09/07/2022 as FG-IR-21-222. It is possible to read the advisory at fortiguard.com. The identification of this vulnerability is CVE-2021-43080 since 10/28/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.fortinet.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.5VulDB Meta Temp Score: 4.5
VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.4
NVD Vector: 🔍
CNA Base Score: 4.6
CNA Vector (Fortinet, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/28/2021 🔍09/07/2022 🔍
09/07/2022 🔍
10/14/2022 🔍
Sources
Vendor: fortinet.comAdvisory: FG-IR-21-222
Status: Confirmed
CVE: CVE-2021-43080 (🔍)
GCVE (CVE): GCVE-0-2021-43080
GCVE (VulDB): GCVE-100-208067
Entry
Created: 09/07/2022 21:29Updated: 10/14/2022 10:11
Changes: 09/07/2022 21:29 (51), 10/14/2022 10:11 (11)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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