CVE-2020-7791
Denial of Service (DoS)
CVE-2020-7791 is a high vulnerability (CVSS 7.5) in I18n Project I18n, published December 11, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.01%, the 87th percentile. Fixed in i18n 2.1.15.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Denial of Service (DoS)
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.
- Record
CVE-2020-7791- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2020-1495
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.
- Record
EUVD-2020-1495- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hfvc-g252-rp4g
Denial of Service in i18n
This affects the package i18n before version 2.1.15. Vulnerability arises out of insufficient handling of erroneous language tags in src/i18n/Concrete/TextLocalizer.cs and src/i18n/LocalizedApplication.cs.
- Record
GHSA-hfvc-g252-rp4g- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-400
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-7791- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-7791- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-hfvc-g252-rp4g
Denial of Service in i18n
This affects the package i18n before version 2.1.15. Vulnerability arises out of insufficient handling of erroneous language tags in src/i18n/Concrete/TextLocalizer.cs and src/i18n/LocalizedApplication.cs.
- Record
GHSA-hfvc-g252-rp4g- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-400
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
i18nNuGet |
before 2.1.15 | 2.1.15 |
i18nNuGet |
before 2.1.15, plus listed versions 1.0.01.0.11.0.21.0.31.0.4 Show 27 moreShow less1.0.51.0.5-candidate1.0.61.0.71.0.82.1.02.1.12.1.102.1.10-pre0002.1.10-pre0052.1.10-pre0062.1.10-pre0112.1.112.1.11-pre0002.1.11-pre0012.1.11-pre0022.1.12-pre0012.1.132.1.142.1.15-pre0002.1.32.1.42.1.52.1.62.1.72.1.82.1.9 |
2.1.15 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, products, published | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
snyk.io/vuln/SNYK-DOTNET-I18N-1050179
github.com/turquoiseowl/i18n/issues/387
lists.apache.org/thread.html/rc2abba7aa0450198494bbee654fce9b97fad72a4989323e189faede4%40%3Cdev.myfaces.apache.org%3E
Show 17 moreShow less
nvd.nist.gov/vuln/detail/CVE-2020-7791