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Fencer Intel
high 7.5

CVE-2020-7217 json

An ni_dhcp4_fsm_process_dhcp4_packet memory leak in openSUSE wicked 0.6.55 and earlier allows network attackers to cause a denial of servic…

published 6y ago modified 4mo ago also EUVD-2020-28349

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

An ni_dhcp4_fsm_process_dhcp4_packet memory leak in openSUSE wicked 0.6.55 and earlier allows network attackers to cause a denial of service by sending DHCP4 packets with a different client-id.

Patch / fix

  • wicked SLES for SAP 15, SLES 15-LTSS, SLE Module for Basesystem 15 +2 more 0.6.60-3.24.1
  • wicked SLES for SAP 12 SP4, SLES 12 SP4, SLED 12 SP4 0.6.60-2.18.1
  • wicked SLES for SAP 12 SP5, SLES 12 SP5 0.6.60-3.5.1
  • wicked SLE Module for Basesystem 15 SP1 0.6.60-3.13.1
  • wicked SLES for SAP 12 SP1, SLES 12 SP1-LTSS 0.6.60-28.26.1

suse advisories SUSE-SU-2020:0370-1SUSE-SU-2020:0369-1SUSE-SU-2020:0358-1SUSE-SU-2020:0351-1SUSE-SU-2020:0347-1

  • wicked openSUSE Tumbleweed 0.6.66-1.2
  • wicked openSUSE Leap 15.1 0.6.60-lp151.2.9.1

opensuse advisories openSUSE-SU-2024:11511-1openSUSE-SU-2020:0207-1

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Exploit prediction

1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime

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.