CVE-2017-18105 — The console login resource in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers, who have previously obtained a user's JSESSIONID cookie, to gain access to some of the built-in and potentially third party rest resources via a session fixation vulnerability

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HIGH

The console login resource in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers, who have previously obtained a user's JSESSIONID cookie, to gain access to some of the built-in and potentially third party rest resources via a session fixation vulnerability

Published Mar 29, 2019

8.1

HIGH

CVSS 3.0

EPSS 1.43%

Description

The console login resource in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers, who have previously obtained a user's JSESSIONID cookie, to gain access to some of the built-in and potentially third party rest resources via a session fixation vulnerability.

Affected products

Vendor Atlassian Product Crowd Default
n/a
- Version
  3.1.0
  Status
  affected
  Constraints
  <unspecified
- Version
  unspecified
  Status
  affected
  Constraints
  <3.0.2
- Version
  unspecified
  Status
  affected
  Constraints
  <3.1.1

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

Crowd

n/a

Version	Status	Constraints
3.1.0	affected	<unspecified
unspecified	affected	<3.0.2
unspecified	affected	<3.1.1

Remediation

No remediation recorded yet.

Metrics

1.43% 0.01427

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

EPSS probability 0.01427

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 (9 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.43% (0.01427)	72.00th	v5 (v2026.06.15)
Aug 23, 2026	1.53% (0.01532)	72.44th	v5 (v2026.06.15)
Jul 20, 2024	0.45% (0.00452)	75.40th	v3 (v2023.03.01)
Feb 8, 2024	0.45% (0.00452)	74.41th	v3 (v2023.03.01)
Mar 7, 2023	0.45% (0.00452)	71.21th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.52% (0.00523)	12.55th	v5 (v2026.06.15)
Apr 14, 2021	0.52% (0.00523)	0.00th	v1

Weaknesses (1)

CWE-384

References (1)

https://jira.atlassian.com/browse/CWD-5072
x_refsource_MISCIssue TrackingVendor Advisory

Link	Providers	Tags
https://jira.atlassian.com/browse/CWD-5072		x_refsource_MISCIssue TrackingVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner atlassian

Published Mar 29, 2019

Updated Sep 16, 2024

Reserved Feb 1, 2018

Link CVE-2017-18105

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-18105

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-18105