Cyber Resilience

CVE-2021-25214

Medium

Published: 29 April 2021

Published
29 April 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0226 85.0th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25214 is a medium-severity Reachable Assertion (CWE-617) vulnerability in Isc Bind. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 15.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND 9 Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development…

more

branch, when a vulnerable version of named receives a malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.

CWE(s)
CWE-617

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

isc
bind
9.10.5, 9.10.7, 9.11.12, 9.11.21, 9.11.27 · 9.8.5 — 9.8.8 · 9.9.3 — 9.11.31 · 9.12.0 — 9.16.15
debian
debian linux
10.0, 9.0
fedoraproject
fedora
33, 34
siemens
sinec infrastructure network services
≤ 1.0.1.1
netapp
active iq unified manager
all versions
netapp
cloud backup
all versions
netapp
aff a250 firmware
all versions
netapp
aff 500f firmware
all versions
netapp
h300s firmware
all versions
netapp
h500s firmware
all versions
+5 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References