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CVE-2021-43090

31
FAUCET Score

CVE-2021-43090 is a critical XML External Entity (XXE) vulnerability affecting predic8 soa-model versions prior to 1.6.4, specifically within the WSDLParser function. This vulnerability carries a CVSS score of 9.8, indicating it can be exploited remotely without user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit intelligence (Metasploit, Nuclei, ExploitDB) or active exploitation has been observed, and community discussion is minimal, the high severity warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.6.4CPE matchmatch criteria
cpe:2.3:a:predic8:soa_model:*:*:*:*:*:*:*:*

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
1.90%
Probability of exploitation in next 30 days
EPSS Percentile
77.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0190 is in the 66th percentile among its peer group of 36,897 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

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: com.predic8:soa-model-parentFixed in: 1.6.4
mavenpatch availablevia ghsa
Product: com.predic8:soa-model-coreFixed in: 1.6.4

Vendor Advisories (1)

mavenGHSA-pv39-qp28-4mghcritical

Improper Restriction of XML External Entity Reference in soa-model

Mar 26, 2022

References

github.com / membrane/soa-model/commit/19de16902468e7963cc4dc6b544574bc1ea3f251
PatchThird Party Advisory
github.com / membrane/soa-model/commit/3aa295f155f621d5ea661cb9a0604013fc8fd8ff
PatchThird Party Advisory
github.com / membrane/soa-model/issues/281
ExploitIssue TrackingThird Party Advisory
github.com / membrane/soa-model/releases/tag/v1.6.4
Release NotesThird Party Advisory