CVE-2009-1469: CRLF injection vulnerability in the Forgot Password implementation in server/webmail.php in IceWarp eMail Serv

Q: How do I fix CVE-2009-1469?

email server: upgrade to newer than 9.3.0; webmail server: upgrade to newer than 9.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2009-1469 being exploited?

CVE-2009-1469 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-2009-1469 affect?

CVE-2009-1469 affects email server, webmail server. Severity is medium (CVSS 4.3). CRLF injection vulnerability in the Forgot Password implementation in server/webmail.php in IceWarp eMail Server and WebMail Server before 9.4.2 makes it easier for remote attackers to trick a user into disclosing credentials via CRLF seque

Q: How urgent is CVE-2009-1469?

Priority 43/100. EPSS top 8%: very likely to be exploited; Public exploit reference

This month

MEDIUM 4.3UPGRADEUPGRADE

CVE-2009-1469 is a medium-severity flaw (CVSS 4.3) affecting email server, webmail server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CRLF injection vulnerability in the Forgot Password implementation in server/webmail.php in IceWarp eMail Server and WebMail Server before 9.4.2 makes it easier for remote attackers to trick a user into disclosing credentials via CRLF sequences preceding a Reply-To header in the subject element of an XML document, as demonstrated by triggering an e-mail message from the server that contains a user's correct credentials, and requests that the user

Why this priority

EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	4.9% (top 8%)
CISA exploited list	No
Weakness	CWE-94
Published	2009-05-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: icewarp

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

Am I affected?

Timeline

2009-05-05 20:30 UTCPublished CVE record published
2026-06-16 23:07 UTCUpdated Record last modified

icewarp email server UPGRADE

Affected: <= 9.3.0 · 2.10.105 · 2.10.110 · 2.10.115 · 2.10.140 · 2.10.150 · 2.10.165 · 2.10.170

Fixed in: newer than 9.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy email-server || rpm -q email-server || email-server --version

2. UPGRADE to newer than 9.3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade email-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade email-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

icewarp webmail server UPGRADE

Affected: <= 9.3.0 · 2.10.105 · 2.10.110 · 2.10.115 · 2.10.140 · 2.10.150 · 2.10.165 · 2.10.170

Fixed in: newer than 9.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy webmail-server || rpm -q webmail-server || webmail-server --version

2. UPGRADE to newer than 9.3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade webmail-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webmail-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

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

Exploit-DB: IceWarp Merak Mail Server 9.4.1 - 'Forgot Password' Input Validation

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-2009-1469?

email server: upgrade to newer than 9.3.0; webmail server: upgrade to newer than 9.3.0. Exact commands for each OS are on this page.

Is CVE-2009-1469 being exploited?

CVE-2009-1469 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-2009-1469 affect?

CVE-2009-1469 affects email server, webmail server. Severity is medium (CVSS 4.3). CRLF injection vulnerability in the Forgot Password implementation in server/webmail.php in IceWarp eMail Server and WebMail Server before 9.4.2 makes it easier for remote attackers to trick a user into disclosing credentials via CRLF seque

How urgent is CVE-2009-1469?

Priority 43/100. EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

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References

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