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CVE-2020-21991

AVE DOMINAplus <=1.10.x suffers from an authentication bypass vulnerability due to missing control check when directly calling the autologin GET parameter in changeparams.php script. Setting the autologin value to 1 allows an unauthenticated attacker to permanently disable the authentication security control and access the management interface with admin privileges without providing credentials.
9.8
CVSS
7.2
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusUnavailable

Change Log
DateSourceChangesScore
2026-07-21nvdAV: P→N, AC: H→L, PR: H→N, UI: A→N, VC: N→H, VI: N→H, VA: N→H0.0 → 7.2
2026-07-21cve.orginitial, patch: Unavailable0.0

Affected Software
VendorProductVersion
ave53ab-wbs_firmware1.10.62
avedominaplus≥ 1.10.11, ≤ 1.10.77
avets01_firmware1.0.65
avets03x-v_firmware1.10.45a
avets04x-v_firmware1.10.45a
avets05_firmware1.10.36
avets05n-v_firmwareAll versions
Published: 2021-04-28