CVE-2020-12811
An improper neutralization of script-related HTML tags in a web page in FortiManager 6.2.0, 6.2.1...
A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet may allow attacker to execute unauthorized code or commands via network exploitable
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet may allow attacker to execute unauthorized code or commands via network exploitable
- Record
CVE-2020-12811- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:X - Weakness
- CWE-80
- Updated
- 2026-11-02
EUVDEUVD-2020-5094
A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet may allow attacker to execute unauthorized code or commands via network exploitable
- Record
EUVD-2020-5094- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:X - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-956m-435w-x6jc
An improper neutralization of script-related HTML tags in a web page in FortiManager 6.2.0, 6.2.1...
An improper neutralization of script-related HTML tags in a web page in FortiManager 6.2.0, 6.2.1, 6.2.2, and 6.2.3and FortiAnalyzer 6.2.0, 6.2.1, 6.2.2, and 6.2.3 may allow an attacker to execute a cross site scripting (XSS) via the Identify Provider name field.
- Record
GHSA-956m-435w-x6jc- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79, CWE-80
- Updated
- 2026-11-02
NVD
A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet may allow attacker to execute unauthorized code or commands via network exploitable
- Record
CVE-2020-12811- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-80, CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-12811 is a medium vulnerability (CVSS 4.9) in Fortinet Fortimanager, published September 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.81%, the 57th percentile. No source names a fixed version.