01 Record
CVE-2026-21404
NAVTOR NavBox Use of Hard-coded Credentials
MediumPUBLISHEDCNA: icscert
CNA base score5.8 CVSS v4.0CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
NAVTOR NavBox Use of Hard-coded Credentials
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.12% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.7% of scored records. A rank, not a probability.
- NVD base score
- 5.8 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-07-22.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-06-04 19:44Z4 MO AGO
- Last updated
- 2026-06-05 18:26Z4 MO AGO
- Reserved
- 2026-01-27
- Assigning CNA
- icscert
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.8)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-798Use of Hard-coded CredentialsBase
- Data version
- 5.2
- Document digest
- 381b70323a9bcc4f9d25f14ab3aa45e42925d1980024bbe5659d7e1de3994404
05 Affected products
VendorProductVersionsPlatforms
06 References
07 Remediation
NAVTOR has released a patch for NavBox in April 2026. Version 4.17.2.6 and later includes the fix. Users that have an active NavBox connection will automatically be kept up to date with the latest version. No user action required.