Apache APISIX up to 2.10.1 uri-block Plugin request_uri protection mechanism

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Apache APISIX up to 2.10.1. The affected element is an unknown function of the component uri-block Plugin. Performing a manipulation of the argument request_uri results in protection mechanism. This vulnerability was named CVE-2021-43557. There is no available exploit. It is advisable to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Apache APISIX up to 2.10.1. This affects an unknown functionality of the component uri-block Plugin. The manipulation of the argument request_uri with an unknown input leads to a protection mechanism vulnerability. CWE is classifying the issue as CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was presented 11/22/2021. It is possible to read the advisory at lists.apache.org. This vulnerability is uniquely identified as CVE-2021-43557 since 11/09/2021. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 2.10.2 eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Protection mechanismCWE: CWE-693
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: APISIX 2.10.2
Timeline
11/09/2021 🔍11/22/2021 🔍
11/22/2021 🔍
11/25/2021 🔍
Sources
Vendor: apache.orgAdvisory: lists.apache.org
Status: Confirmed
CVE: CVE-2021-43557 (🔍)
GCVE (CVE): GCVE-0-2021-43557
GCVE (VulDB): GCVE-100-187083
Entry
Created: 11/22/2021 14:12Updated: 11/25/2021 13:35
Changes: 11/22/2021 14:12 (40), 11/25/2021 13:29 (1), 11/25/2021 13:35 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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