CVE-2021-32536
MCU Technologies MCUsystem - Reflected XSS
The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
MCU Technologies MCUsystem - Reflected XSS
The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.
- Record
CVE-2021-32536- 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
- Updated
- 2026-11-02
EUVDEUVD-2021-19382
The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.
- Record
EUVD-2021-19382- 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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2788-q3c5-xfcj No score
The login page in the MCUsystem does not filter with special characters, which allows remote...
The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.
- Record
GHSA-2788-q3c5-xfcj- Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.
- Record
CVE-2021-32536- 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-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-32536 is a medium vulnerability (CVSS 6.1) in Mcu Technologies Mcusystem, published June 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.