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CVE-2021-42776

24
FAUCET Score

CVE-2021-42776 is an XML External Entity (XXE) vulnerability affecting CloverDX Server versions prior to 5.11.2 and 5.12.1, allowing an authenticated attacker to perform XXE during configuration import. With a CVSS score of 7.7 (High), this vulnerability has a low attack complexity and could lead to high confidentiality impact, though integrity and availability are not affected. There is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.11.2CPE matchmatch criteria
cpe:2.3:a:cloverdx:cloverdx:*:*:*:*:*:*:*:*
5.12.0CPE matchmatch criteria
cpe:2.3:a:cloverdx:cloverdx:5.12.0:*:*:*:*:*:*:*
5.12.1CPE matchmatch criteria
cpe:2.3:a:cloverdx:cloverdx:5.12.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.7HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
52.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 45th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

support1.cloverdx.com / hc/en-us/articles/4411125429010
Vendor Advisory
support.cloverdx.com / releases
Release NotesVendor Advisory