CVE-2020-25275

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

4.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.9% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:N/A:H

NVD analysis status

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

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2021-01-04 16:19Z5 YR AGO

Last updated

2024-08-04 15:33Z2 YR AGO

Reserved

2020-09-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

0847539f0800e47c29638de0f3e7d0e692348076549207be15e106db9f0cd7e9

• dovecot.orghttps://dovecot.org/securityx_refsource_MISC
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2021/01/04/3x_refsource_CONFIRM
• dovecot.orghttps://dovecot.org/pipermail/dovecot-news/2021-January/000451.htmlx_refsource_CONFIRM
• www.debian.orgDSA-4825https://www.debian.org/security/2021/dsa-4825vendor-advisoryx_refsource_DEBIAN
• seclists.org20210106 CVE-2020-24386: IMAP hibernation allows accessing other peoples mailhttp://seclists.org/fulldisclosure/2021/Jan/18mailing-listx_refsource_FULLDISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.htmlx_refsource_MISC
• security.gentoo.orgGLSA-202101-01https://security.gentoo.org/glsa/202101-01vendor-advisoryx_refsource_GENTOO
• lists.fedoraproject.orgFEDORA-2021-c90cb486f7https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/vendor-advisoryx_refsource_FEDORA