How severe is CVE-2020-7791?

CVE-2020-7791 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-7791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7791?

CVE-2020-7791 affects I18n Project I18n. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7791?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-7791 published?

CVE-2020-7791 was published on 2020-12-11 and last updated on 2026-06-17.

CVE-2020-7791

CVE-2020-7791 is a high-severity vulnerability in I18n Project I18n with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: I18n Project I18n
Published: 2020-12-11
Last modified: 2026-06-17

Description

This affects the package i18n before 2.1.15. Vulnerability arises out of insufficient handling of erroneous language tags in src/i18n/Concrete/TextLocalizer.cs and src/i18n/LocalizedApplication.cs.

Frequently asked questions

What is CVE-2020-7791?: This affects the package i18n before 2.1.15. Vulnerability arises out of insufficient handling of erroneous language tags in src/i18n/Concrete/TextLocalizer.cs and src/i18n/LocalizedApplication.cs.
How severe is CVE-2020-7791?: CVE-2020-7791 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-7791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7791?: CVE-2020-7791 affects I18n Project I18n. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7791?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-7791 published?: CVE-2020-7791 was published on 2020-12-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:i18n_project:i18n:*:*:*:*:*:asp.net:*:*

More vulnerabilities in I18n Project I18n

CVE-2014-10077 — High (CVSS 7.5): Hash#slice in lib/i18n/core_ext/hash.rb in the i18n gem before 0.8.0 for Ruby allows remote attackers to cause a denial…
CVE-2013-4492 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in exceptions.rb in the i18n gem before 0.6.6 for Ruby allows remote attackers…

All CVEs affecting I18n Project I18n →