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Fencer Vulns
critical 9.1

CVE-2024-55969 json

DocIO in Syncfusion Essential Studio for ASP.NET MVC before 27.1.55 throws XMLException during the resaving of a DOCX document with an exte…

published 2024-12-15 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-52869

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

DocIO in Syncfusion Essential Studio for ASP.NET MVC before 27.1.55 throws XMLException during the resaving of a DOCX document with an external reference XML, aka I640714.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
22 mo ago

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.