CVE-2019-20106 — Comment properties in Atlassian Jira Server and Data Center before version 7.13.12, from 8.0.0 before version 8.5.4, and 8.6.0 before version 8.6.1 allows remote attackers to make comments on a ticket to which they do not have commenting permissions via a broken access control bug

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MEDIUM

Comment properties in Atlassian Jira Server and Data Center before version 7.13.12, from 8.0.0 before version 8.5.4, and 8.6.0 before version 8.6.1 allows remote attackers to make comments on a ticket to which they do not have commenting permissions via a broken access control bug

Published Feb 6, 2020

4.3

MEDIUM

CVSS 3.1

EPSS 1.19%

Description

Comment properties in Atlassian Jira Server and Data Center before version 7.13.12, from 8.0.0 before version 8.5.4, and 8.6.0 before version 8.6.1 allows remote attackers to make comments on a ticket to which they do not have commenting permissions via a broken access control bug.

Affected products

Vendor Atlassian Product Jira Server and Data Center Default
n/a
- Version
  8.4.1
  Status
  affected
  Constraints
  <unspecified
- Version
  8.6.0
  Status
  affected
  Constraints
  <unspecified
- Version
  unspecified
  Status
  affected
  Constraints
  <7.13.12
- Version
  unspecified
  Status
  affected
  Constraints
  <8.5.4
- Version
  unspecified
  Status
  affected
  Constraints
  <8.6.1

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Atlassian

Jira Server and Data Center

n/a

Version	Status	Constraints
8.4.1	affected	<unspecified
8.6.0	affected	<unspecified
unspecified	affected	<7.13.12
unspecified	affected	<8.5.4
unspecified	affected	<8.6.1

Remediation

No remediation recorded yet.

Metrics

1.19% 0.01191

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01191

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.19% (0.01191)	66.84th	v5 (v2026.06.15)
Sep 20, 2026	1.19% (0.01191)	66.57th	v5 (v2026.06.15)
Jul 20, 2024	0.08% (0.00082)	35.68th	v3 (v2023.03.01)
Jun 21, 2024	0.08% (0.00082)	35.40th	v3 (v2023.03.01)
Mar 7, 2023	0.08% (0.00082)	33.40th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	4.50% (0.04499)	74.08th	v2 (v2022.01.01)
Feb 3, 2022	2.30% (0.02304)	53.71th	v1
Jan 6, 2022	2.30% (0.02304)	53.25th	v1
Jan 5, 2022	0.52% (0.00523)	33.47th	v5 (v2026.06.15)
Apr 14, 2021	0.52% (0.00523)	0.00th	v1