CVE-2018-20687: An XML external entity (XXE) vulnerability in CommandCenterWebServices/.*?wsdl in Raritan CommandCenter Secure

Q: How do I fix CVE-2018-20687?

commandcenter secure gateway: upgrade to 8.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2018-20687 being exploited?

CVE-2018-20687 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-2018-20687 affect?

CVE-2018-20687 affects commandcenter secure gateway. Severity is critical (CVSS 9.8). An XML external entity (XXE) vulnerability in CommandCenterWebServices/.*?wsdl in Raritan CommandCenter Secure Gateway before 8.0.0 allows remote unauthenticated users to read arbitrary files or conduct server-side request forgery (SSRF) at

Q: How urgent is CVE-2018-20687?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-20687 is a critical-severity flaw (CVSS 9.8) affecting commandcenter secure gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XML external entity (XXE) vulnerability in CommandCenterWebServices/.*?wsdl in Raritan CommandCenter Secure Gateway before 8.0.0 allows remote unauthenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-611
Published	2019-11-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: raritan

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

Am I affected?

Timeline

2019-11-18 19:15 UTCPublished CVE record published
2026-06-17 01:53 UTCUpdated Record last modified

raritan commandcenter secure gateway UPGRADE

Affected: < 8.0.0

Fixed in: 8.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy commandcenter-secure-gateway || rpm -q commandcenter-secure-gateway || commandcenter-secure-gateway --version

2. UPGRADE to 8.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade commandcenter-secure-gateway

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade commandcenter-secure-gateway

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-2018-20687?

commandcenter secure gateway: upgrade to 8.0.0. Exact commands for each OS are on this page.

Is CVE-2018-20687 being exploited?

CVE-2018-20687 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-2018-20687 affect?

CVE-2018-20687 affects commandcenter secure gateway. Severity is critical (CVSS 9.8). An XML external entity (XXE) vulnerability in CommandCenterWebServices/.*?wsdl in Raritan CommandCenter Secure Gateway before 8.0.0 allows remote unauthenticated users to read arbitrary files or conduct server-side request forgery (SSRF) at

How urgent is CVE-2018-20687?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

References

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