CVE-2003-0340: Demarc Puresecure 1.6 stores authentication information for the logging server in plaintext, which allows atta

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HIGH 7.5DOWNGRADE

CVE-2003-0340 is a high-severity flaw (CVSS 7.5) affecting puresecure. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Demarc Puresecure 1.6 stores authentication information for the logging server in plaintext, which allows attackers to steal login names and passwords to gain privileges.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2003-05-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: demarc security

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2003-05-21 04:00 UTCPublished CVE record published
2026-06-16 22:02 UTCUpdated Record last modified

demarc security puresecure DOWNGRADE

Affected: 1.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6 (Debian / Ubuntu)

apt-cache madison puresecure sudo apt install puresecure=<VERSION_BEFORE_1.6> sudo apt-mark hold puresecure

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

dnf --showduplicates list puresecure sudo dnf downgrade puresecure-<VERSION_BEFORE_1.6> sudo dnf versionlock add puresecure

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-2003-0340?

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

Is CVE-2003-0340 being exploited?

CVE-2003-0340 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-2003-0340 affect?

CVE-2003-0340 affects puresecure. Severity is high (CVSS 7.5). Demarc Puresecure 1.6 stores authentication information for the logging server in plaintext, which allows attackers to steal login names and passwords to gain privileges.

How urgent is CVE-2003-0340?

Priority 43/100. High severity

Related CVEs

CVE-2002-0539 HIGH 10.0 DOWNGRADE Demarc PureSecure 1.05 allows remote attackers to gain administrative privileges via a SQL injection attack in

References

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