CVE-2021-27342
Published May 17, 2021
Last updated 3 years ago
Overview
- Description
- An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.9
- Impact score
- 3.6
- Exploitability score
- 2.2
- Vector string
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
- nvd@nist.gov
- CWE-203
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dir-842e:r1:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "65E5AFDB-B666-4943-A7A4-59DC45EC4829"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dir-842e_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6F3EDBCE-4431-42B9-A090-5BADCEA95993",
"versionEndIncluding": "3.0.2"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
]