7.6

CVE-2018-15798: pivotal_software concourse Open Redirect

CVSS: 7.6v3.0HighModified
AliasesGHSA-9689-rx4v-cqgc
Published 19-12-2018Last modified 17-09-2024

Vulnerability summary

CVE-2018-15798 is a high (CVSS 7.6) Open Redirect vulnerability in pivotal_software concourse. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v3.0 (CVE.org)
EPSS score
1.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-12-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Pivotal Concourse Release, versions 4.x prior to 4.2.2, login flow allows redirects to untrusted websites. A remote unauthenticated attacker could convince a user to click on a link using the oAuth redirect link with an untrusted website and gain access to that user's access token in Concourse.

CVSS metrics

4 scores · 3 sources · 3 versions

EPSS trend

Probability

1.15%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.15%

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

Github.com/concourse1 product
  • concourse< 5.2.8 | ≥ 5.3.0, < 5.5.10 | ≥ 5.6.0, < 5.8.1
Pivotal1 product
Pivotal_software1 product

3 vendors · 3 products

References

4 links