LiveActive security incident?Get immediate response
CVE Record

CVE-2018-17500: Envoy Passport for Android and Envoy Passport for iPhone could allow a local attacker to obtain sensitive i...

Envoy Passport for Android and Envoy Passport for iPhone could allow a local attacker to obtain sensitive information, caused by the storing of hardcoded OAuth Creds in plaintext. An attacker could exploit this vulnerability to obtain sensitive information.

LowCVSS 2.9Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

This is a low-severity mobile app secret handling issue. Specific Envoy Passport iPhone and Android versions reportedly stored hardcoded OAuth credentials in plaintext, which could expose sensitive information to a local attacker. The source bundle does not show active exploitation.

Executive priority

Treat as a low-priority mobile hygiene issue unless affected versions are deployed broadly or the OAuth credentials protect sensitive workflows. Prioritize inventory and vendor confirmation over emergency response.

Technical view

CVE-2018-17500 affects Envoy Passport for iPhone 2.2.5 and Android 2.4.0. The vulnerability is plaintext storage of hardcoded OAuth credentials. CVSS 3.0 is 2.9 with local attack vector, high complexity, no privileges, no user interaction, and confidentiality impact only.

Likely exposure

Exposure is most likely limited to endpoints or users still running Envoy Passport for iPhone 2.2.5 or Android 2.4.0. Organizations without those mobile app versions are unlikely to be affected based on the provided sources.

Exploitation context

The sources describe a local attacker obtaining sensitive information. They do not identify remote exploitation, public exploit use, or CISA KEV inclusion. Evidence is incomplete on practical exploitability and environmental prerequisites.

Researcher notes

The provided data is sparse: no CWE, no fixed version, and only one external vulnerability database reference. CVSS indicates confidentiality-only impact and local access. Avoid assuming affected Envoy products beyond the two named mobile apps.

Mitigation direction

  • Inventory managed and BYOD devices for the affected Envoy Passport versions.
  • Check Envoy or app-store guidance for a fixed release or retirement path.
  • Update or remove affected app versions where vendor guidance supports it.
  • Rotate exposed OAuth credentials only if vendor or internal evidence confirms exposure.

Validation and detection

  • Confirm whether iPhone version 2.2.5 or Android version 2.4.0 is installed.
  • Verify current app versions against vendor or app-store release guidance.
  • Review mobile management records for remaining affected installs.
  • Check authentication logs for unusual OAuth client behavior if credentials may be shared.
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.

cve · low confidence lookup

CVE-2018-17500 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Low
CVSS
2.9 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/C:L/AC:H/I:N/AV:L/A:N/PR:N/UI:N/S:U/RL:O/E:U/RC:C

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
2.9CVSS 3.0LowCVSS:3.0/C:L/AC:H/I:N/AV:L/A:N/PR:N/UI:N/S:U/RL:O/E:U/RC:C1.41.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

2.9Low
CVSS 3.0 vector shape for CVE-2018-17500Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/C:L/AC:H/I:N/AV:L/A:N/PR:N/UI:N/S:U/RL:O/E:U/RC:C

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
EnvoyEnvoy Passport for iPhone2.2.5Listed
EnvoyEnvoy Passport for Android2.4.0Listed
Weakness

CWE details

No CWE listed

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