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CVE-2019-18394

56
FAUCET Score

CVE-2019-18394 is a critical Server-Side Request Forgery (SSRF) vulnerability affecting Ignite Realtime Openfire versions through 4.4.2, allowing unauthenticated attackers to send arbitrary HTTP GET requests. With a CVSS score of 9.8 (Critical) and an EPSS score of 0.9388, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no Metasploit or ExploitDB modules exist, Nuclei templates are available, and it has garnered significant community discussion and media coverage, including reports of its use by the CRYSTALRAY hacker group.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.4.2CPE matchmatch criteria
cpe:2.3:a:igniterealtime:openfire:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
32.30%
Probability of exploitation in next 30 days
EPSS Percentile
98.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Nuclei: CVE-2019-18394 · Aug 4, 2020
This CVE's current EPSS score of 0.3230 is in the 95th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.igniterealtime.openfire:parentFixed in: 4.5.0-beta

Vendor Advisories (1)

mavenGHSA-mfjw-x4q4-69p9critical

Ignite Realtime Openfire vulnerable to Server Side Request Forgery

May 24, 2022

References

github.com / igniterealtime/Openfire/pull/1497
PatchThird Party Advisory
swarm.ptsecurity.com / openfire-admin-console