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CVE Record

CVE-2022-30627: Chcnav - P5E GNSS Information disclosure hard coded credentials.

This vulnerability affects all of the company's products that also include the FW versions: update_i90_cv2.021_b20210104, update_i50_v1.0.55_b20200509, update_x6_v2.1.2_b202001127, update_b5_v2.0.9_b20200706. This vulnerability makes it possible to extract from the FW the existing user passwords on their operating systems and passwords.

MediumCVSS 5.7Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-30627 is a medium-severity information disclosure issue in CHCNAV GNSS firmware. The source says affected firmware contains hard-coded credentials, allowing existing operating-system user passwords to be extracted from firmware. Business urgency depends on whether these GNSS devices or firmware builds are present in operational environments.

Executive priority

Treat this as a targeted operational technology exposure, not an internet-scale emergency based on current evidence. Prioritize asset confirmation and vendor guidance, especially where GNSS devices support field operations, surveying, construction, or infrastructure workflows.

Technical view

The CVE describes hard-coded credentials in CHCNAV P5E GNSS version 4.2 and listed firmware builds. CVSS 3.1 is 5.7 with local attack vector, low attack complexity, low privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is most likely where CHCNAV P5E GNSS 4.2 or products containing the listed i90, i50, x6, or b5 firmware builds are deployed, stored, or distributed. The bundle does not identify network-reachable exploitation.

Exploitation context

The provided sources do not show CISA KEV listing or public active exploitation. The CVSS vector indicates local access, some privilege, and user interaction are required. The main risk is credential disclosure from firmware, which could support follow-on access if reused credentials exist.

Researcher notes

Evidence is limited. The bundle names affected firmware builds and describes credential extraction from firmware, but does not provide CWE mapping, patch status, exploit availability, or detailed product coverage beyond CHCNAV P5E GNSS 4.2 and referenced firmware builds.

Mitigation direction

  • Inventory CHCNAV GNSS devices and firmware versions in operational environments.
  • Check CHCNAV or gov.il advisory guidance for updated firmware or vendor mitigation.
  • Restrict access to firmware images, device consoles, and management workflows.
  • Rotate any credentials confirmed exposed or shared across affected device environments.

Validation and detection

  • Compare deployed firmware against the four affected firmware build names in the CVE description.
  • Confirm whether CHCNAV P5E GNSS version 4.2 exists in asset records.
  • Review vendor or advisory updates before assuming a fixed version exists.
  • Check for credential reuse involving affected GNSS operating-system accounts.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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CVE-2022-30627 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.7 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.7CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L1.53.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.7Medium
CVSS 3.1 vector shape for CVE-2022-30627Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ChcnavChcnav - P5E GNSS4.2Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.