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CVE-2021-43557

🗓️ 22 Nov 2021 08:25:09Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 113 Views🌐 WEB

Apache APISIX uri-block plugin in v2.10.2 allows bypass of block list via $request_ur

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-43557
22 Nov 202109:15
–attackerkb
nessus
Tenable Nessus
Apache APISIX < 2.10.2 Security Bypass
27 Sep 202300:00
–nessus
bdu_fstec
BDU FSTEC
uri-block plugin Apache APISIX bypass security restrictions
20 Dec 202100:00
–bdu_fstec
circl
Circl
CVE-2021-43557
23 Nov 202122:38
–circl
cnnvd
CNNVD
Apache Apisix command injection vulnerability
22 Nov 202100:00
–cnnvd
cnvd
CNVD
Apache APISIX Command Injection Vulnerability
24 Nov 202100:00
–cnvd
cvelist
Cvelist
CVE-2021-43557 Path traversal in request_uri variable
22 Nov 202108:25
–cvelist
kitploit
Kitploit
k8s-CVE-2021-43557-poc
30 Oct 202616:17
–kitploit
mend
Mend
CVE-2021-43557
22 Nov 202108:25
–mend
nvd
NVD
CVE-2021-43557
22 Nov 202109:15
–nvd
Rows per page
NVD
Vulners
Node
apacheapisixRange<2.10.2
[
  {
    "product": "Apache APISIX",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "Apache APISIX 1.5*",
        "status": "affected",
        "version": "1.5",
        "versionType": "custom"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
$request_uripath//internal/The uri-block plugin uses the unnormalized $request_uri, allowing attackers to bypass block lists using non-normalized paths like //internal/.CWE-77

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17 Jun 2026 04:11Current
7.3High risk
Vulners AI Score7.3
CVSS 25
CVSS 3.17.5
EPSS0.13044
113