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CVE-2021-31881
CVE
High

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions…

CVSS
7.5
High
EPSS
0.01
p70
Published
2021-01-01
Updated
2021-01-01
Description

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). When processing a DHCP OFFER message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0008)

Tags · CWE
RCEPre-auth
CWE-125
CAPEC-540
Affected products
Capital_vstarNucleus_netNucleus_readystart_v3 < 2012.08Nucleus_source_code
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Timeline
2021-01-01
Published
2021-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: N
None (N)
Integrity Impact
I: N
None (N)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.015 · p70
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
apogee_modular_building_controller_firmware*Tracked
apogee_modular_equiment_controller_firmware*Tracked
apogee_pxc_compact_firmware*Tracked
apogee_pxc_modular_firmware*Tracked
capital_vstar*Tracked
nucleus_net*Tracked
nucleus_readystart_v3*Tracked
nucleus_source_code*Tracked
talon_tc_compact_firmware*Tracked
talon_tc_modular_firmware*Tracked
Source databases
CVE
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