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Open62541

Open62541: vulnerabilidades y CVE

Open62541 tiene 25 vulnerabilidades publicadas, 22 de ellas en los últimos 12 meses. 1 son críticas y 0 figuran en el catálogo de explotación activa de CISA.

CVE25
Últimos 12 meses22
Críticas1
Explotadas activamente0

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Últimas vulnerabilidades

CVESeveridadEPSSExplotación activaPublicadaDescripción
CVE-2026-82623Media (5.5)0.70%—31 ago 2026
A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UA_DataValue_backend_copyRange of the file plugins/historydata/ua_history_data_backend_memory.c of the component…
CVE-2026-67870Crítica (9.8)1.1%—6 ago 2026
In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remote attacker can send a crafted AddReferencesRequest with an empty…
CVE-2026-67869Alta (7.5)0.82%—6 ago 2026
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service_Call validates input arguments against runtime-resolved InputArguments metadata
CVE-2026-67863Alta (7.5)0.74%—5 ago 2026
In open62541 1.5.5, a server-side use-after-free exists in the local MonitoredItem callback path. The issue occurs when UA_Subscription_localPublish continues to use the current UA_Notification after a callback invokes…
CVE-2026-67864Alta (7.5)0.76%—5 ago 2026
An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the NodeManagement type-instantiation logic component
CVE-2026-67862Alta (7.5)0.58%—4 ago 2026
open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.c. This allows a remote attacker to cause a denial of service.
CVE-2026-67861Alta (7.5)0.75%—4 ago 2026
An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UA_Client_getRemoteDataTypes component
CVE-2026-67860Alta (7.5)0.46%—4 ago 2026
open62541 1.5.5 contains a heap-based buffer overflow in the default HistoryRead path when the default history database is used with the memory backend.
CVE-2026-67859Alta (7.5)0.82%—4 ago 2026
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Discovery/LDS handling.
CVE-2026-67858Alta (7.5)0.86%—4 ago 2026
Buffer Overflow vulnerability exists in open62541 1.5.5 when the Local Discovery Server (LDS) is built with multicast discovery enabled through the MDNSD backend. An unauthenticated remote attacker can send a…
CVE-2026-67857Alta (7.5)0.63%—4 ago 2026
open62541 1.5.5 contains an out-of-bounds read in the client-side function responseReadNamespacesArray() in src/client/ua_client_connect.c.
CVE-2026-67856Alta (7.5)0.76%—4 ago 2026
An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItems(Sampling), Publish, TransferSubscriptions, and DeleteSubscriptions…
CVE-2026-67855Alta (7.5)0.51%—4 ago 2026
open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service.
CVE-2026-18785Baja (1.9)0.16%—4 ago 2026
A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UA_Client_getRemoteDataTypes of the file examples/custom_datatype/client_types_custom.c. Executing a…
CVE-2026-18784Baja (1.9)0.17%—4 ago 2026
A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UA_Client_readNodeClassAttribute of the file src/client/ua_client_highlevel.c. Performing a manipulation results in heap-based…
CVE-2026-65423Alta (8.7)0.80%—30 jul 2026
An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to trigger an out-of-bounds write.
CVE-2026-63362Alta (8.2)1.8%—30 jul 2026
An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted UDP packet.
CVE-2026-63035Alta (7.2)0.76%—30 jul 2026
A heap use-after-free vulnerability in the TransferSubscriptions service in open62541 may allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code.
CVE-2026-63559Alta (8.7)0.70%—30 jul 2026
An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to read out-of-bounds heap memory, potentially disclosing sensitive information.
CVE-2026-15690Baja (1.3)0.44%—14 jul 2026
A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/ua_client_connect.c of the component Shared Client Library. Such…
CVE-2026-11946Alta (7.5)0.52%—2 jul 2026
An unauthenticated remote attacker can exhaust server memory via the GetEndpoints Discovery Service in open62541. The endpointUrl field of GetEndpointsRequest is not validated for length. An attacker can declare an…
CVE-2026-33592Alta (7.5)0.52%—2 jul 2026
An unauthenticated remote attacker can exhaust server memory via the FindServers Discovery Service in open62541. The serverUris field of FindServersRequest is not validated for length or array size. An attacker can…
CVE-2024-53429Alta (7.5)0.74%—21 nov 2024
Open62541 v1.4.6 is has an assertion failure in fuzz_binary_decode, which leads to a crash.
CVE-2022-25761Alta (7.5)1.4%—23 ago 2022
The package open62541/open62541 before 1.2.5, from 1.3-rc1 and before 1.3.1 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all…
CVE-2020-36429Media (5.5)0.31%—20 jul 2021
Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.

🎯 Cómo se explota (técnicas ATT&CK)

  1. T1190 Exploit Public-Facing Application17
  2. T1499.004 Application or System Exploitation12
  3. T1499 Endpoint Denial of Service3
  4. T1059 Command and Scripting Interpreter2
  5. T1210 Exploitation of Remote Services2
  6. T1005 Data from Local System1

Número de CVE de esta tecnología asignadas a cada técnica de explotación o de impacto principal.