CVE-2018-11639: Plaintext Storage of Passwords within Cookies in /var/www/xms/application/controllers/verifyLogin.php in the a

Q: How do I fix CVE-2018-11639?

powermedia xms: upgrade to newer than 3.5. Exact commands for each OS are on this page.

Q: Is CVE-2018-11639 being exploited?

CVE-2018-11639 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-2018-11639 affect?

CVE-2018-11639 affects powermedia xms. Severity is high (CVSS 8.1). Plaintext Storage of Passwords within Cookies in /var/www/xms/application/controllers/verifyLogin.php in the administrative console in Dialogic PowerMedia XMS before 3.5 SU2 allows remote attackers to access a user's password in cleartext.

Q: How urgent is CVE-2018-11639?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 8.1REMOTEUPGRADE

CVE-2018-11639 is a high-severity flaw (CVSS 8.1) affecting powermedia xms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Plaintext Storage of Passwords within Cookies in /var/www/xms/application/controllers/verifyLogin.php in the administrative console in Dialogic PowerMedia XMS before 3.5 SU2 allows remote attackers to access a user's password in cleartext.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-522
Published	2018-07-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dialogic

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

Am I affected?

Timeline

2018-07-03 17:29 UTCPublished CVE record published
2026-06-17 01:36 UTCUpdated Record last modified

dialogic powermedia xms UPGRADE

Affected: <= 3.5 · 3.5 su1

Fixed in: newer than 3.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy powermedia-xms || rpm -q powermedia-xms || powermedia-xms --version

2. UPGRADE to newer than 3.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade powermedia-xms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade powermedia-xms

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-2018-11639?

powermedia xms: upgrade to newer than 3.5. Exact commands for each OS are on this page.

Is CVE-2018-11639 being exploited?

CVE-2018-11639 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-2018-11639 affect?

CVE-2018-11639 affects powermedia xms. Severity is high (CVSS 8.1). Plaintext Storage of Passwords within Cookies in /var/www/xms/application/controllers/verifyLogin.php in the administrative console in Dialogic PowerMedia XMS before 3.5 SU2 allows remote attackers to access a user's password in cleartext.

How urgent is CVE-2018-11639?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-11643 HIGH 8.8 UPGRADE SQL injection vulnerability in the administrative console in Dialogic PowerMedia XMS through 3.5 allows remote
CVE-2018-11642 HIGH 7.8 UPGRADE Incorrect Permission Assignment on the /var/www/xms/cleanzip.sh shell script run periodically in Dialogic Powe
CVE-2018-11641 CRITICAL 9.8 UPGRADE Use of Hard-coded Credentials in /var/www/xms/application/controllers/gatherLogs.php in the administrative con
CVE-2018-11640 CRITICAL 9.1 UPGRADE XML External Entity (XXE) vulnerability in the web service in Dialogic PowerMedia XMS before 3.5 SU2 allows re
CVE-2018-11638 HIGH 7.2 UPGRADE Unrestricted Upload of a File with a Dangerous Type in the administrative console in Dialogic PowerMedia XMS t

References

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