CVE-2018-9161: Prisma Industriale Checkweigher PrismaWEB 1.21 allows remote attackers to discover the hardcoded prisma passwo

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-9161 is a critical-severity flaw (CVSS 9.8) affecting checkweigher prismaweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Prisma Industriale Checkweigher PrismaWEB 1.21 allows remote attackers to discover the hardcoded prisma password for the prismaweb account by reading user/scripts/login_par.js.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	56.7% (top 1%)
CISA exploited list	No
Weakness	CWE-798
Published	2018-03-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: prismaindustriale

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

Am I affected?

Timeline

2018-03-31 22:29 UTCPublished CVE record published
2026-06-17 02:06 UTCUpdated Record last modified

prismaindustriale checkweigher prismaweb DOWNGRADE

Affected: 1.21

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.21

1. Check installed version

apt-cache policy checkweigher-prismaweb || rpm -q checkweigher-prismaweb || checkweigher-prismaweb --version

2. No fixed release: DOWNGRADE to a release before 1.21 (Debian / Ubuntu)

apt-cache madison checkweigher-prismaweb sudo apt install checkweigher-prismaweb=<VERSION_BEFORE_1.21> sudo apt-mark hold checkweigher-prismaweb

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

dnf --showduplicates list checkweigher-prismaweb sudo dnf downgrade checkweigher-prismaweb-<VERSION_BEFORE_1.21> sudo dnf versionlock add checkweigher-prismaweb

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: PrismaWEB - Credentials Disclosure

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-2018-9161?

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

Is CVE-2018-9161 being exploited?

CVE-2018-9161 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-2018-9161 affect?

CVE-2018-9161 affects checkweigher prismaweb. Severity is critical (CVSS 9.8). Prisma Industriale Checkweigher PrismaWEB 1.21 allows remote attackers to discover the hardcoded prisma password for the prismaweb account by reading user/scripts/login_par.js.

How urgent is CVE-2018-9161?

Priority 69/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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