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Fencer Intel
critical 9.8

CVE-2021-39070 json

IBM Security Verify Access 10.0.0.0, 10.0.1.0 and 10.0.2.0 with the advanced access control authentication service enabled could allow an a…

published 4y ago modified 4mo ago also EUVD-2021-25507

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

IBM Security Verify Access 10.0.0.0, 10.0.1.0 and 10.0.2.0 with the advanced access control authentication service enabled could allow an attacker to authenticate as any user on the system. IBM X-Force ID: 215353.

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Exploit prediction

1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/UI:N/PR:N/AC:L/A:H/I:H/AV:N/C:H/S:U/RL:O/RC:C/E:U
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

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.