9.8

CVE-2019-18928: cyrus imap

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2019-18928DEBIAN-CVE-2019-18928
Published 15-11-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-18928 is a critical (CVSS 9.8) vulnerability in cyrus imap. EPSS estimates a 2.39% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 2
DLA-3052-1OPENSUSE-SU-2025:14968-1RHSA-2020:4655USN-7224-1

Timeline

  1. 15-11-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connection.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.39%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.39% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.39%

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

No weakness data has been published for this record.

Affected systems

Debian2 products
Cyrus1 product
  • imap≥ 2.5.0, < 2.5.14 | ≥ 3.0.0, < 3.0.12
Fedoraproject1 product
Ubuntu1 product
  • cyrus-imapd< 2.5.10-3ubuntu1.1+esm1 | < 3.0.12-1

4 vendors · 5 products

References

9 links