CVE-2018-1539: ibm rational_engineering_lifecycle_manager Improper Authentication
CVSS: 6.5v3.0MediumModified
Published 25-09-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-1539 is a medium (CVSS 6.5) Improper Authentication vulnerability in ibm rational_engineering_lifecycle_manager. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
1.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-09-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
IBM Rational Engineering Lifecycle Manager 5.0 through 5.02 and 6.0 through 6.0.6 could allow remote attackers to bypass authentication via a direct request or forced browsing to a page other than URL intended. IBM X-Force ID: 142561.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NSources2 sources · 5.4–6.5
- CVE.orgCNA5.4MediumCVSS:3.0/A:N/AC:L/AV:N/C:L/I:L/PR:L/S:C/UI:R/E:U/RC:C/RL:ODiffers
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.30%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.30% on 19-09-2026
19-09-202619-10-2026
EPSS score1.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm1 product
- rational_engineering_lifecycle_manager5.0 | 6.0 | 6.0.1 | 6.0.2 | 6.0.3 | 6.0.4 | 6.0.5 | 6.0.6 | 5.01 | 5.02 | ≥ 5.0.0, ≤ 5.0.2 | ≥ 6.0.0, ≤ 6.0.6
1 vendor · 1 product