CVE-2017-2157: Untrusted search path vulnerability in installers for The Public Certification Service for Individuals "The JP

Q: How do I fix CVE-2017-2157?

the public certification service for individuals: upgrade to newer than 3.1. Exact commands for each OS are on this page.

Q: Is CVE-2017-2157 being exploited?

CVE-2017-2157 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-2157 affect?

CVE-2017-2157 affects the public certification service for individuals. Severity is high (CVSS 7.3). Untrusted search path vulnerability in installers for The Public Certification Service for Individuals "The JPKI user's software (for Windows 7 and later)" Ver3.1 and earlier, The Public Certification Service for Individuals "The JPKI user'

Routine

HIGH 7.3UPGRADE

CVE-2017-2157 is a high-severity flaw (CVSS 7.3) affecting the public certification service for individuals. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in installers for The Public Certification Service for Individuals "The JPKI user's software (for Windows 7 and later)" Ver3.1 and earlier, The Public Certification Service for Individuals "The JPKI user's software (for Windows Vista)", The Public Certification Service for Individuals "The JPKI user's software" Ver2.6 and earlier that were available until April 27, 2017 allows remote attackers to gain privilege

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-426
Published	2017-05-12
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: jpki

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

Am I affected?

Timeline

2017-05-12 18:29 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

jpki the public certification service for individuals UPGRADE

Affected: <= 2.6 · <= 3.1 · all versions

Fixed in: newer than 3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy the-public-certification-service-for-individuals || rpm -q the-public-certification-service-for-individuals || the-public-certification-service-for-individuals --version

2. UPGRADE to newer than 3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade the-public-certification-service-for-individuals

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade the-public-certification-service-for-individuals

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2017-2157?

the public certification service for individuals: upgrade to newer than 3.1. Exact commands for each OS are on this page.

Is CVE-2017-2157 being exploited?

CVE-2017-2157 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-2017-2157 affect?

CVE-2017-2157 affects the public certification service for individuals. Severity is high (CVSS 7.3). Untrusted search path vulnerability in installers for The Public Certification Service for Individuals "The JPKI user's software (for Windows 7 and later)" Ver3.1 and earlier, The Public Certification Service for Individuals "The JPKI user'

How urgent is CVE-2017-2157?

Priority 36/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

CVE-2017-10893 HIGH 7.8 UPGRADE Untrusted search path vulnerability in The Public Certification Service for Individuals "The JPKI user's softw
CVE-2016-4902 HIGH 7.8 UPGRADE UPGRADE Untrusted search path vulnerability in The Public Certification Service for Individuals "The JPKI user's softw

References

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