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CVE-2021-1630

24
FAUCET Score

CVE-2021-1630 is an XML External Entity (XXE) vulnerability impacting specific versions of a Mule runtime component, affecting various deployment environments including CloudHub, GovCloud, and on-premise instances. With a CVSS score of 7.5 (High), this vulnerability is network-exploitable with low complexity and no user interaction, potentially leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.0.0, < 4.3.0CPE matchmatch criteria
cpe:2.3:a:salesforce:mule:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 39th percentile among its peer group of 51,485 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

Vendor Patches (1)

esetvendor investigatingvia llm_extracted

Vendor Advisories (1)

esetllm-eset-814833b0d165f14c

CVE-2021-1630

Jul 28, 2021

References

help.salesforce.com / articleView
Vendor Advisory