Vulnerability Details : CVE-2021-32056
Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on server annotations and consequently cause replication to stall.
Exploit prediction scoring system (EPSS) score for CVE-2021-32056
Probability of exploitation activity in the next 30 days: 0.11%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 45 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-32056
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-32056
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The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-32056
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https://www.cyrusimap.org/imap/download/release-notes/3.4/x/3.4.1.html
Cyrus IMAP 3.4.1 Release Notes — Cyrus IMAP 3.4.1 documentationPatch;Release Notes;Vendor Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJZB45QBUN7CZFGOWCZYUYACNBTX7LVS/
[SECURITY] Fedora 35 Update: cyrus-imapd-3.2.8-2.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://www.cyrusimap.org/imap/download/release-notes/3.2/x/3.2.7.html
Cyrus IMAP 3.2.7 Release Notes — Cyrus IMAP 3.4.1 documentationPatch;Release Notes;Vendor Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HEO3RURJW6NLIXS7NK5PVU6MGHC4SCM/
[SECURITY] Fedora 34 Update: cyrus-imapd-3.2.8-2.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://cyrus.topicbox.com/groups/announce/T056901c106ecfce3/cyrus-imap-3-4-1-released
Cyrus IMAP 3.4.1 released | TopicboxPatch;Release Notes;Vendor Advisory
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https://cyrus.topicbox.com/groups/announce/T126392718bc29d6b/cyrus-imap-3-2-7-released
Cyrus IMAP 3.2.7 released | TopicboxPatch;Release Notes;Vendor Advisory
Products affected by CVE-2021-32056
- cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*
- cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*