CVE-2021-34570 (GCVE-0-2021-34570)
Vulnerability from cvelistv5 – Published: 2021-09-27 08:25 – Updated: 2024-09-16 22:09
VLAI?
Summary
Multiple Phoenix Contact PLCnext control devices in versions prior to 2021.0.5 LTS are prone to a DoS attack through special crafted JSON requests.
Severity ?
7.5 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
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Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Phoenix Contact | AXC F |
Affected:
AXC F 1152 (1151412) , < 2021.0.5 LTS
(custom)
Affected: AXC F 2152 (2404267) , < 2021.0.5 LTS (custom) Affected: AXC F 3152 (1069208) , < 2021.0.5 LTS (custom) Affected: AXC F 2152 Starterkit (1046568) , < 2021.0.5 LTS (custom) |
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Credits
The vulnerability was discovered by Oliver Carrigan of Dionach. We kindly appreciate the coordinated disclosure of these vulnerabilities by the finder. PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication.
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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