CVE-2021-20464: ibm cognos_analytics XML Entity Expansion
CVSS: 6.5v3.0MediumModified
Published 22-04-2022Last modified 16-09-2024
Vulnerability summary
CVE-2021-20464 is a medium (CVSS 6.5) XML Entity Expansion vulnerability in ibm cognos_analytics. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (CVE.org)EPSS score
1.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-04-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
IBM Cognos Analytics PowerPlay (IBM Cognos Analytics 11.1.7, 11.2.0, and 11.1.7) could be vulnerable to an XML Bomb attack by a malicious authenticated user. IBM X-Force ID: 196813.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 6.5Preferred score · CVE.org (CNA)
CVSS:3.0/C:N/AC:L/S:U/A:H/UI:N/AV:N/PR:L/I:N/E:U/RC:C/RL:OSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.40%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.40% on 20-09-2026
20-09-202620-10-2026
EPSS score1.40%
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
- cognos_analytics11.1.7 | 11.2.0 | 11.2.1
Netapp1 product
2 vendors · 2 products