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CVE-2019-4424

26
FAUCET Score

CVE-2019-4424 is an XML External Entity (XXE) injection vulnerability affecting IBM Business Automation Workflow versions 18.0.0.0 through 19.0.0.2. This flaw allows a remote, unauthenticated attacker to exploit the system by processing malicious XML data, potentially leading to sensitive information disclosure or denial of service through memory exhaustion. With a CVSS score of 8.2 (High), it presents a significant risk due to its network attack vector and low attack complexity. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 18.0.0.0, <= 19.0.0.2CPE matchmatch criteria
cpe:2.3:a:ibm:business_automation_workflow:*:*:*:*:*:*:*:*
>= 7.5.0.0, <= 7.5.1.2CPE matchmatch criteria
cpe:2.3:a:ibm:business_process_manager:*:*:*:*:*:*:*:*
>= 8.0.0.0, <= 8.0.1.3CPE matchmatch criteria
cpe:2.3:a:ibm:business_process_manager:*:*:*:*:*:*:*:*
>= 8.5.0.0, <= 8.5.0.2CPE matchmatch criteria
cpe:2.3:a:ibm:business_process_manager:*:*:*:*:*:*:*:*
8.5.5.0CPE matchmatch criteria
cpe:2.3:a:ibm:business_process_manager:8.5.5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.43%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0243 is in the 69th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/162770
VDB EntryVendor Advisory
ibm.com / support/docview.wss
Vendor Advisory