Vulnerability Intelligence Report
CVE-2020-35680
smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
EPSS Probability:3.58%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| opensmtpd | opensmtpd | 6.8.0 |
| fedoraproject | fedora | 32, 33 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
3.578%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2020-12-24T00:00:00 |
| Published | 2020-12-24T15:53:03 |
| Last Updated | 2024-08-04T17:09:14 |
Community Chatter & Buzz