6.5

CVE-2019-19783: canonical ubuntu_linux Improper Privilege Management

CVSS: 6.5v3.1MediumModified
AliasesMGASA-2020-0010UBUNTU-CVE-2019-19783DEBIAN-CVE-2019-19783
Published 16-12-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-19783 is a medium (CVSS 6.5) Improper Privilege Management vulnerability in canonical ubuntu_linux. EPSS estimates a 1.65% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.65%
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 3 · Related 2
OPENSUSE-SU-2025:14968-1RHSA-2020:4655USN-4566-1

Timeline

  1. 16-12-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Cyrus IMAP before 2.5.15, 3.0.x before 3.0.13, and 3.1.x through 3.1.8. If sieve script uploading is allowed (3.x) or certain non-default sieve options are enabled (2.x), a user with a mail account on the service can use a sieve script containing a fileinto directive to create any mailbox with administrator privileges, because of folder mishandling in autosieve_createfolder() in imap/lmtp_sieve.c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.65%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.65% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.65%

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

Debian2 products
  • cyrus-imapd< 3.0.13-1 | < 2.5.10-3+deb9u2 | < 3.0.8-6+deb10u3
  • debian_linuxEOL9.0 | 10.0
Canonical1 product
Cyrus1 product
  • imap≥ 2.5.0, < 2.5.15 | ≥ 3.0.0, < 3.0.13 | ≥ 3.1.0, < 3.1.8
Fedoraproject1 product
Mageia1 product
  • cyrus-imapd< 2.5.15-1.mga7
Ubuntu1 product
  • cyrus-imapd< 2.5.10-3ubuntu1.1

6 vendors · 7 products

References

19 links
Show all 19 references