Arbitrary file overwrite vulnerability in DigiDoc4 client
Priority LOW 38CWE-22Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Estonian Information System Authority (RIA) DigiDoc4 client. This issue affects DigiDoc4: from 4.0.0 before 4.11.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0019 8th percentileScored 2026-11-07
Fix Fixed DigiDoc4 (Estonian Information System Authority (RIA)): 4.11.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Estonian Information System Authority (RIA) | DigiDoc4 | 4.0.0 to before 4.11.0 | 4.11.0 | Patch available | CNA |
- DigiDoc4 VendorEstonian Information System Authority (RIA) Affected 4.0.0 to before 4.11.0 Fixed in 4.11.0 Patch available CNA
Remediation
- Fix · CNA DigiDoc4 (Estonian Information System Authority (RIA)) Fixed in 4.11.0
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-70383
- 2026-10-03 Alias added: GHSA-48r4-r7pv-pj69
References
More Estonian Information System Authority (RIA) vulnerabilities
- TI-2026-42285 Signature validation vulnerability affecting DigiDoc applications CVSS 4.0MEDIUM 4.4
Sources
- CVE-2026-70383 · CVE Program
- CVE-2026-70383 · NVD
- FIRST EPSS
- GHSA-48r4-r7pv-pj69 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-70383 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences