CVE-2020-8794

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

88.90% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-02-25 16:38Z6 YR AGO

Last updated

2024-08-04 10:12Z2 YR AGO

Reserved

2020-02-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

1872ac6e7b49e06506c1e1bef06785dbd2aca46a35913fa69ab17312266be98c

• www.openbsd.orghttps://www.openbsd.org/security.htmlx_refsource_MISC
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/02/24/5x_refsource_MISC
• www.openwall.com[oss-security] 20200226 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)http://www.openwall.com/lists/oss-security/2020/02/26/1mailing-listx_refsource_MLIST
• www.debian.orgDSA-4634https://www.debian.org/security/2020/dsa-4634vendor-advisoryx_refsource_DEBIAN
• seclists.org20200227 LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)http://seclists.org/fulldisclosure/2020/Feb/32mailing-listx_refsource_FULLDISC
• www.openwall.com[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)http://www.openwall.com/lists/oss-security/2020/03/01/1mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)http://www.openwall.com/lists/oss-security/2020/03/01/2mailing-listx_refsource_MLIST
• packetstormsecurity.comhttp://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.htmlx_refsource_MISC
• lists.fedoraproject.orgFEDORA-2020-b92d7083cahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/vendor-advisoryx_refsource_FEDORA
• usn.ubuntu.comUSN-4294-1https://usn.ubuntu.com/4294-1/vendor-advisoryx_refsource_UBUNTU
• www.openwall.com[oss-security] 20210504 21Nails: Multiple vulnerabilities in Eximhttp://www.openwall.com/lists/oss-security/2021/05/04/7mailing-listx_refsource_MLIST