CVE-2021-33254

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
An issue was discovered in src/http/httpLib.c in EmbedThis Appweb Community Edition 8.2.1, allows attackers to cause a denial of service via the stream paramter to the parseUri function.
Overview
  • CVE ID
  • CVE-2021-33254
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-06-02T14:15:28
  • Last Modified Date
  • 2022-06-09T12:17:19
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:embedthis:appweb:8.2.1:*:*:*:community:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://awxylitol.github.io/2021/05/09/embedthis-appweb-npd-bug.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-33254
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33254
History
Created Old Value New Value Data Type Notes
2022-06-02 15:00:07 Added to TrackCVE