CVE-2021-45904
OpenWrt 21.02.1 allows XSS via the Port Forwards Add Name screen.
OpenWrt 21.02.1 allows XSS via the Port Forwards Add Name screen.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
OpenWrt 21.02.1 allows XSS via the Port Forwards Add Name screen.
- Record
CVE-2021-45904- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
OpenWrt 21.02.1 allows XSS via the Port Forwards Add Name screen.
- Record
CVE-2021-45904- Updated
- 2026-11-02
EUVDEUVD-2021-32619 No score
OpenWrt 21.02.1 allows XSS via the Port Forwards Add Name screen.
- Record
EUVD-2021-32619- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-phgx-qrq5-mx9m
OpenWrt 21.02.1 allows XSS via the Port Forwards Add Name screen.
OpenWrt 21.02.1 allows XSS via the Port Forwards Add Name screen.
- Record
GHSA-phgx-qrq5-mx9m- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-45904 is a medium vulnerability (CVSS 5.4) in Openwrt, published December 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. No source names a fixed version.