CVE-2018-0552: Untrusted search path vulnerability in The installer of PhishWall Client Firefox and Chrome edition for Window

Q: How do I fix CVE-2018-0552?

phishwall client: upgrade to newer than 5.1.26. Exact commands for each OS are on this page.

Q: Is CVE-2018-0552 being exploited?

CVE-2018-0552 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-2018-0552 affect?

CVE-2018-0552 affects phishwall client. Severity is high (CVSS 7.8). Untrusted search path vulnerability in The installer of PhishWall Client Firefox and Chrome edition for Windows Ver. 5.1.26 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

This month

HIGH 7.8UPGRADE

CVE-2018-0552 is a high-severity flaw (CVSS 7.8) affecting phishwall client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in The installer of PhishWall Client Firefox and Chrome edition for Windows Ver. 5.1.26 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

Why this priority

High severity

A fixed release or distro patch exists.

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	2018-03-22
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2018-03-22 13:29 UTCPublished CVE record published
2026-06-17 01:31 UTCUpdated Record last modified

securebrain phishwall client UPGRADE

Affected: <= 5.1.26

Fixed in: newer than 5.1.26

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy phishwall-client || rpm -q phishwall-client || phishwall-client --version

2. UPGRADE to newer than 5.1.26 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade phishwall-client

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phishwall-client

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-2018-0552?

phishwall client: upgrade to newer than 5.1.26. Exact commands for each OS are on this page.

Is CVE-2018-0552 being exploited?

CVE-2018-0552 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-2018-0552 affect?

CVE-2018-0552 affects phishwall client. Severity is high (CVSS 7.8). Untrusted search path vulnerability in The installer of PhishWall Client Firefox and Chrome edition for Windows Ver. 5.1.26 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

How urgent is CVE-2018-0552?

Priority 42/100. High severity

Software pages

Windows vulnerabilities · Google Chrome vulnerabilities · Mozilla Firefox vulnerabilities

Related CVEs

CVE-2017-2130 HIGH 7.8 UPGRADE Untrusted search path vulnerability in the installer of PhishWall Client Internet Explorer version Ver
CVE-2016-4846 HIGH 7.8 UPGRADE Untrusted search path vulnerability in the installer of PhishWall Client Internet Explorer before 3.7.8.2.

References

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