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.
CVSS score
7.6/10
010
High · v3.0 (CVE.org)EPSS score
1.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 19-12-2018PublishedVulnerability first disclosed.
- 17-09-2024Last 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 versionsMedium 5.4Preferred score · OSV · Go (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:NSourcesSingle source
High 7.6Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:HSources2 sources · 5.4–7.6
- NVDNIST5.4MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:NDiffers
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
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 score1.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Github.com/concourse1 product
- concourse< 5.2.8 | ≥ 5.3.0, < 5.5.10 | ≥ 5.6.0, < 5.8.1
Pivotal1 product
- concourse≥ 4.x, < 4.2.2
Pivotal_software1 product
- concourse≥ 4.0.0, < 4.2.2
3 vendors · 3 products