CVE-2021-20578: ibm cloud_pak_for_security Improper Authentication
CVSS: 9.8v3.1CriticalModified
Published 30-09-2021Last modified 17-09-2024
Vulnerability summary
CVE-2021-20578 is a critical (CVSS 9.8) Improper Authentication vulnerability in ibm cloud_pak_for_security. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 61.9% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.99%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-09-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
IBM Cloud Pak for Security (CP4S) 1.7.0.0, 1.7.1.0, 1.7.2.0, and 1.8.0.0 could allow an attacker to perform unauthorized actions due to improper or missing authentication controls. IBM X-Force ID: 199282.
CVSS metrics
4 scores · 2 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 5.4Preferred score · CVE.org (CNA)
CVSS:3.0/C:L/AC:L/PR:N/A:N/I:L/AV:A/S:U/UI:N/RC:C/E:U/RL:OSourcesAll 2 agree
- NVDNIST5.4MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 0.99% on 20-09-2026
20-09-202620-10-2026
EPSS score0.99%
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
- cloud_pak_for_security1.8.0.0 | 1.7.0.0 | 1.7.1.0 | 1.7.2.0
1 vendor · 1 product