CVE-2021-20501
Published Apr 21, 2021
Last updated 2 years ago
Overview
- Description
- IBM i 7.1, 7.2, 7.3, and 7.4 SMTP allows a network attacker to send emails to non-existent local-domain recipients to the SMTP server, caused by using a non-default configuration. An attacker could exploit this vulnerability to consume unnecessary network bandwidth and disk space, and allow remote attackers to send spam email. IBM X-Force ID: 198056.
- Source
- psirt@us.ibm.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.2
- Impact score
- 4.2
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Severity
- HIGH
CVSS 3.0
- Type
- Secondary
- Base score
- 5.9
- Impact score
- 3.6
- Exploitability score
- 2.2
- Vector string
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 6.4
- Impact score
- 4.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:P/A:P
Weaknesses
- nvd@nist.gov
- NVD-CWE-noinfo
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:ibm:i:7.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "75F0F975-DD09-4851-A536-1B8484715FEE"
},
{
"criteria": "cpe:2.3:o:ibm:i:7.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BD871157-2BB3-4641-B84E-3EA13D24D35A"
},
{
"criteria": "cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9A49E8C5-7967-42AE-A787-C533D24A63D7"
},
{
"criteria": "cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "92D03306-B6C9-403E-99A2-CE9D8DC3B482"
}
],
"operator": "OR"
}
]
}
]