CVE-2021-32921
Published May 13, 2021
Last updated a year ago
Overview
- Description
- An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.
- Source
- cve@mitre.org
- NVD status
- Modified
Social media
- Hype score
- Not currently trending
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:H/I:N/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:P/I:N/A:N
Weaknesses
- nvd@nist.gov
- CWE-362
Configurations
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{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"matchCriteriaId": "9528D37B-78D0-42FC-AAC3-DB6DE6A4A85B",
"versionEndExcluding": "0.11.9"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "FE24D4A8-0798-4FE3-9B13-DBF7EBCE9336",
"versionStartIncluding": "5.2.0"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
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},
{
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"vulnerable": true,
"matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"
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"matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835"
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{
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}
]