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

Routine

LOW 2.9DOWNGRADEDOWNGRADE

CVE-2018-17500 is a low-severity flaw (CVSS 2.9) affecting passport, passport. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.9 (Low)
Attack vector	Local
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-522
Published	2019-03-21
Last modified	2026-06-17

Publisher (CNA): IBM Corporation · Vendor: envoy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-03-21 16:00 UTCPublished CVE record published
2026-06-17 01:45 UTCUpdated Record last modified

envoy passport DOWNGRADE

Affected: 2.2.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.5

1. Check installed version

apt-cache policy passport || rpm -q passport || passport --version

2. No fixed release: DOWNGRADE to a release before 2.2.5 (Debian / Ubuntu)

apt-cache madison passport sudo apt install passport=<VERSION_BEFORE_2.2.5> sudo apt-mark hold passport

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list passport sudo dnf downgrade passport-<VERSION_BEFORE_2.2.5> sudo dnf versionlock add passport

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

envoy passport DOWNGRADE

Affected: 2.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.0

1. Check installed version

apt-cache policy passport || rpm -q passport || passport --version

2. No fixed release: DOWNGRADE to a release before 2.4.0 (Debian / Ubuntu)

apt-cache madison passport sudo apt install passport=<VERSION_BEFORE_2.4.0> sudo apt-mark hold passport

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list passport sudo dnf downgrade passport-<VERSION_BEFORE_2.4.0> sudo dnf versionlock add passport

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-17500?

passport: downgrade or apply the listed mitigation; passport: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-17500 being exploited?

CVE-2018-17500 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-17500 affect?

CVE-2018-17500 affects passport, passport. Severity is low (CVSS 2.9). 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 sensi

How urgent is CVE-2018-17500?

Priority 15/100. No elevated risk signals yet.

Software pages

Android vulnerabilities · Envoy vulnerabilities

Related CVEs

CVE-2026-39976 HIGH 7.1 UPGRADE Laravel Passport provides OAuth2 server support to Laravel
CVE-2023-29020 MEDIUM 6.5 UPGRADE @fastify/passport is a port of passport authentication library for the Fastify ecosystem
CVE-2023-29019 HIGH 8.1 UPGRADE @fastify/passport is a port of passport authentication library for the Fastify ecosystem
CVE-2022-25896 MEDIUM 4.8 UPGRADE This affects the package passport before 0.6.0
CVE-2018-17499 LOW 2.9 DOWNGRADE DOWNGRADE Envoy Passport for Android and Envoy Passport for iPhone could allow a local attacker to obtain sensitive info

References

← Back to latest CVEs