CVE-2020-35471
First published: Tue Dec 15 2020(Updated: )
Envoy before 1.16.1 mishandles dropped and truncated datagrams, as demonstrated by a segmentation fault for a UDP packet size larger than 1500.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Cloud Pak for Security (CP4S) | <=1.6.0.1 | |
| IBM Cloud Pak for Security (CP4S) | <=1.6.0.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.5.0.1 | |
| IBM Cloud Pak for Security (CP4S) | <=1.5.0.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.4.0.0 | |
| Envoyproxy Envoy | <1.16.1 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Envoy Proxy vulnerability?
The vulnerability ID for this Envoy Proxy vulnerability is CVE-2020-35471.
What is the severity level of CVE-2020-35471?
The severity level of CVE-2020-35471 is high, with a CVSS score of 7.5.
What is the affected software by CVE-2020-35471?
The affected software by CVE-2020-35471 includes Envoy Proxy versions up to 1.16.1 and IBM Cloud Pak for Security (CP4S) versions up to 1.6.0.1.
How does CVE-2020-35471 cause a denial of service?
CVE-2020-35471 causes a denial of service by mishandling dropped and truncated datagrams, allowing a remote attacker to exploit the vulnerability by sending an overly large UDP packet.
Where can I find more information about CVE-2020-35471?
You can find more information about CVE-2020-35471 on the GitHub links provided: [link1](https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1), [link2](https://github.com/envoyproxy/envoy/issues/14113), [link3](https://github.com/envoyproxy/envoy/pull/14122).
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- agent/type
- agent/first-publish-date
- agent/last-modified-date
- agent/remedy
- agent/softwarecombine
- collector/ibm-support
- source/IBM
- agent/software-canonical-lookup
- agent/severity
- agent/author
- agent/references
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/envoyproxy
- canonical/envoyproxy envoy
- vendor/ibm
- canonical/ibm cloud pak for security (cp4s)
- version/ibm cloud pak for security (cp4s)/1.6.0.1
- version/ibm cloud pak for security (cp4s)/1.6.0.0
- version/ibm cloud pak for security (cp4s)/1.5.0.1
- version/ibm cloud pak for security (cp4s)/1.5.0.0
- version/ibm cloud pak for security (cp4s)/1.4.0.0