CVE-2020-5781
In IgniteNet HeliOS GLinq v2.2.1 r2961, the langSelection parameter is stored in the luci...
In IgniteNet HeliOS GLinq v2.2.1 r2961, the langSelection parameter is stored in the luci configuration file (/etc/config/luci) by the authenticator.htmlauth function. When modified with arbitrary javascript, this causes a denial-of-service condition for all other users.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
In IgniteNet HeliOS GLinq v2.2.1 r2961, the langSelection parameter is stored in the luci configuration file (/etc/config/luci) by the authenticator.htmlauth function. When modified with arbitrary javascript, this causes a denial-of-service condition for all other users.
- Record
CVE-2020-5781- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
In IgniteNet HeliOS GLinq v2.2.1 r2961, the langSelection parameter is stored in the luci configuration file (/etc/config/luci) by the authenticator.htmlauth function. When modified with arbitrary javascript, this causes a denial-of-service condition for all other users.
- Record
CVE-2020-5781- Updated
- 2026-11-02
EUVDEUVD-2020-26938 No score
In IgniteNet HeliOS GLinq v2.2.1 r2961, the langSelection parameter is stored in the luci configuration file (/etc/config/luci) by the authenticator.htmlauth function. When modified with arbitrary javascript, this causes a denial-of-service condition for all other users.
- Record
EUVD-2020-26938- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r536-4rjh-7q6r No score
In IgniteNet HeliOS GLinq v2.2.1 r2961, the langSelection parameter is stored in the luci...
In IgniteNet HeliOS GLinq v2.2.1 r2961, the langSelection parameter is stored in the luci configuration file (/etc/config/luci) by the authenticator.htmlauth function. When modified with arbitrary javascript, this causes a denial-of-service condition for all other users.
- Record
GHSA-r536-4rjh-7q6r- 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-2020-5781 is a medium vulnerability (CVSS 4.3) in Ignitenet Helios Glinq, published September 23, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. No source names a fixed version.