WAGO 750-81xx Packet out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in WAGO 750-81xx, 750-82xx, 752-8303, 762-4xxx, 762-5xxx and 762-6xxx. This vulnerability affects unknown code of the component Packet Handler. Executing a manipulation can lead to out-of-bounds. The identification of this vulnerability is CVE-2021-34567. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in WAGO 750-81xx, 750-82xx, 752-8303, 762-4xxx, 762-5xxx and 762-6xxx and classified as critical. This vulnerability affects an unknown function of the component Packet Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.

The weakness was shared 11/09/2022 as VDE-2020-036. The advisory is shared for download at cert.vde.com. This vulnerability was named CVE-2021-34567 since 06/10/2021. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (CERT VDE): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/10/2021 🔍
11/09/2022 +517 days 🔍
11/09/2022 +0 days 🔍
11/09/2022 +0 days 🔍

Sourcesinfo

Advisory: VDE-2020-036
Status: Not defined

CVE: CVE-2021-34567 (🔍)
GCVE (CVE): GCVE-0-2021-34567
GCVE (VulDB): GCVE-100-213304

Entryinfo

Created: 11/09/2022 20:33
Changes: 11/09/2022 20:33 (48)
Complete: 🔍
Cache ID: 216::103

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