CVE-2021-20501
Last modified
CVE-2021-20501 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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. EPSS estimates a 1.34% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | I | 7.1 |
| Ibm | I | 7.2 |
| Ibm | I | 7.3 |
| Ibm | I | 7.4 |
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/198056VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6445505Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/198056VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6445505Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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