8.2

CVE-2021-20454: ibm websphere_application_server

CVSS: 8.2v3.0HighModified
Published 21-04-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-20454 is a high (CVSS 8.2) vulnerability in ibm websphere_application_server. EPSS estimates a 2.79% chance of exploitation in the next 30 days, higher than 86.3% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.0 (CVE.org)
EPSS score
2.79%
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. 21-04-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196649.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

2.79%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.79% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.79%

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

Ibm1 product
  • websphere_application_server7.0 | 8.0 | 8.5 | 9.0 | ≥ 7.0.0.0, ≤ 7.0.0.45 | ≥ 8.0.0.0, ≤ 8.0.0.15 | ≥ 8.5.0.0, ≤ 8.5.5.19 | ≥ 9.0.0.0, ≤ 9.0.5.7

1 vendor · 1 product

References

2 links