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Fencer Intel
medium 4.9

CVE-2017-18453 json

cPanel before 64.0.21 does not preserve supplemental groups across account renames (SEC-260).

published 7y ago modified 4mo ago also EUVD-2017-9569

cvss
4.9
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

cPanel before 64.0.21 does not preserve supplemental groups across account renames (SEC-260).

Patch / fix

  • cpanel cpanel 56.0.49, 58.0.49, 60.0.43, 62.0.24, 64.0.21

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Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 4.9 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

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.