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Fencer Intel
high 8.8

CVE-2021-28271 json

Soyal Technologies SOYAL 701Server 9.0.1 suffers from an elevation of privileges vulnerability which can be used by an authenticated user t…

published 5y ago modified 4mo ago also EUVD-2021-14960

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Soyal Technologies SOYAL 701Server 9.0.1 suffers from an elevation of privileges vulnerability which can be used by an authenticated user to change the executable file with a binary choice. The vulnerability is due to improper permissions with the 'F' flag (Full) for 'Everyone'and 'Authenticated Users' group.

Patch / fix

  • soyal 701clientsql 10.2
  • soyal 701serversql 10.2

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Exploit prediction

1.87% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • exploit-db.com https://www.exploit-db.com/exploits/49678 referenced PoC, tagged "exploit" by a source, unverified
  • zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities referenced PoC, tagged "exploit" by a source, unverified
  • zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5633.php referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-276 Incorrect Default Permissions

References

Sources

Fencer Intel 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.