8.1

CVE-2017-18105: atlassian crowd Session Fixation

Modified
Published 29-03-2019Last modified 16-09-2024

Vulnerability summary

CVE-2017-18105 is a high (CVSS 8.1) Session Fixation vulnerability in atlassian crowd. EPSS estimates a 1.43% chance of exploitation in the next 30 days, higher than 72.9% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 8.1 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
8.1/10
010
High · v3.0 (NVD)
EPSS score
1.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 29-03-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.43%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.43% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian1 product
  • crowd≥ unspecified, < 3.0.2 | ≥ 3.1.0, < unspecified | ≥ unspecified, < 3.1.1 | < 3.0.2 | ≥ 3.1.0, < 3.1.1

1 vendor · 1 product

References

1 links