CVE-2019-12479
CVE-2019-12479 is a critical-severity vulnerability in Twentytwenty.storage Project Twentytwenty.storage with a CVSS 3.x base score of 9.1. 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-22.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- CVSS v2: 6.4
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Twentytwenty.storage Project Twentytwenty.storage
- Published:
- Last modified:
Description
An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath. If the application using this library does not sanitize user-supplied filenames, then this issue may be exploited to read or write arbitrary files. This affects LocalStorageProvider.cs.
Frequently asked questions
- What is CVE-2019-12479?
- An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath. If the application using this library does not sanitize user-supplied filenames, then this issue may be exploited to read or write arbitrary files. This affects LocalStorageProvider.cs.
- How severe is CVE-2019-12479?
- CVE-2019-12479 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2019-12479 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-12479?
- CVE-2019-12479 affects Twentytwenty.storage Project Twentytwenty.storage. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-12479?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-12479 published?
- CVE-2019-12479 was published on 2019-08-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:twentytwenty.storage_project:twentytwenty.storage:2.11.0:*:*:*:*:*:*:*
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