CVE-2018-0516: Untrusted search path vulnerability in FLET'S v4 / v6 address selection tool allows an attacker to gain privil

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HIGH 7.8DOWNGRADE

CVE-2018-0516 is a high-severity flaw (CVSS 7.8) affecting address selection tool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in FLET'S v4 / v6 address selection tool allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-426
Published	2018-02-16
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2018-02-16 17:29 UTCPublished CVE record published
2026-06-17 01:31 UTCUpdated Record last modified

flets address selection tool DOWNGRADE

Affected: 4.0 · 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

apt-cache policy address-selection-tool || rpm -q address-selection-tool || address-selection-tool --version

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison address-selection-tool sudo apt install address-selection-tool=<VERSION_BEFORE_4.0> sudo apt-mark hold address-selection-tool

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

dnf --showduplicates list address-selection-tool sudo dnf downgrade address-selection-tool-<VERSION_BEFORE_4.0> sudo dnf versionlock add address-selection-tool

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-2018-0516?

address selection tool: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-0516 being exploited?

CVE-2018-0516 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-2018-0516 affect?

CVE-2018-0516 affects address selection tool. Severity is high (CVSS 7.8). Untrusted search path vulnerability in FLET'S v4 / v6 address selection tool allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

How urgent is CVE-2018-0516?

Priority 42/100. High severity

References

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