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CVE-2019-15631

30
FAUCET Score

CVE-2019-15631 is a critical Remote Code Execution (RCE) vulnerability impacting MuleSoft Mule CE/EE 3.x and API Gateway 2.x versions released before October 31, 2019. With a CVSS score of 9.8, it allows unauthenticated remote attackers to execute arbitrary code with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, <= 2.2.12CPE matchmatch criteria
cpe:2.3:a:mulesoft:api_gateway:*:*:*:*:*:*:*:*
>= 3.0.0, <= 3.9.3CPE matchmatch criteria
cpe:2.3:a:mulesoft:mule_runtime:*:*:*:*:*:*:community:*
>= 3.0.0, <= 3.9.3CPE matchmatch criteria
cpe:2.3:a:mulesoft:mule_runtime:*:*:*:*:*:enterprise:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
2.34%
Probability of exploitation in next 30 days
EPSS Percentile
81.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0234 is in the 72nd 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

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

esetvendor investigatingvia llm_extracted

Vendor Advisories (1)

esetllm-eset-1078bff718baff43

CVE-2019-15631

Nov 29, 2019

References

help.salesforce.com / articleView
Third Party Advisory