4.3

CVE-2021-32056: cyrus imap

CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-32056DEBIAN-CVE-2021-32056
Published 10-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-32056 is a medium (CVSS 4.3) vulnerability in cyrus imap. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.8% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.70%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.70%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.70% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.70%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cyrus1 product
  • imap< 3.2.7 | ≥ 3.3.0, < 3.4.1
Debian1 product
  • cyrus-imapd< 3.2.6-2
Fedoraproject1 product
Ubuntu1 product
  • cyrus-imapd< 3.4.2-2 | < 3.8.1-1build2

4 vendors · 4 products

References

10 links