CVE-2006-2159: CRLF injection vulnerability in help.php in Russcom Network Loginphp allows remote attackers to spoof e-mails

Routine

MEDIUM 5.0MITIGATE

CVE-2006-2159 is a medium-severity flaw (CVSS 5.0) affecting loginphp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CRLF injection vulnerability in help.php in Russcom Network Loginphp allows remote attackers to spoof e-mails and inject MIME headers via CRLF sequences in the email address.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Published	2006-05-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: russcom network

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

Am I affected?

Timeline

2006-05-03 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

russcom network loginphp MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2006-2159?

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

Is CVE-2006-2159 being exploited?

CVE-2006-2159 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-2006-2159 affect?

CVE-2006-2159 affects loginphp. Severity is medium (CVSS 5.0). CRLF injection vulnerability in help.php in Russcom Network Loginphp allows remote attackers to spoof e-mails and inject MIME headers via CRLF sequences in the email address.

How urgent is CVE-2006-2159?

Priority 35/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-2160 MEDIUM 4.3 MITIGATE Cross-site scripting (XSS) vulnerability in Russcom Network Loginphp (Russcom.Loginphp) allows remote attacker

References

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