CVE-2020-5781

CVE-2020-5781 is a medium-severity vulnerability in Ignitenet Helios Glinq with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

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.

Frequently asked questions

What is CVE-2020-5781?
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.
How severe is CVE-2020-5781?
CVE-2020-5781 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2020-5781 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5781?
CVE-2020-5781 affects Ignitenet Helios Glinq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5781?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5781 published?
CVE-2020-5781 was published on 2020-09-23 and last updated on 2026-06-17.

References

Affected products (1)

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