Vulnerability · Published May 10, 2021 · Assigned by mitre
CVE-2021-32056
Medium 4.3
In plain English
A medium-severity security flaw in the cyrus-imapd package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)1.7%top 22.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | cyrus-imapd | 3.2.6-2 | DEBIAN-CVE-2021-32056 |
| Debian:13 | cyrus-imapd | 3.2.6-2 | DEBIAN-CVE-2021-32056 |
| Debian:14 | cyrus-imapd | 3.2.6-2 | DEBIAN-CVE-2021-32056 |
| Ubuntu:22.04:LTS | cyrus-imapd | 3.4.2-2 | UBUNTU-CVE-2021-32056 |
| Ubuntu:24.04:LTS | cyrus-imapd | 3.8.1-1build2 | UBUNTU-CVE-2021-32056 |
Affected products (as reported)
References
- https://cyrus.topicbox.com/groups/announce/T056901c106ecfce3/cyrus-imap-3-4-1-released x_refsource_CONFIRM
- https://cyrus.topicbox.com/groups/announce/T126392718bc29d6b/cyrus-imap-3-2-7-released x_refsource_CONFIRM
- https://www.cyrusimap.org/imap/download/release-notes/3.4/x/3.4.1.html x_refsource_CONFIRM
- https://www.cyrusimap.org/imap/download/release-notes/3.2/x/3.2.7.html x_refsource_CONFIRM
- FEDORA-2022-c30b1a8aa3 vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-d45bcc5447 vendor-advisory, x_refsource_FEDORA