CVE-2021-20354: ibm websphere_application_server Path Traversal
CVSS: 7.8v2.0HighModified
Published 18-02-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-20354 is a high (CVSS 7.8) Path Traversal vulnerability in ibm websphere_application_server. EPSS estimates a 4.10% chance of exploitation in the next 30 days, higher than 90.6% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
4.10%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-02-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 194883.
CVSS metrics
4 scores · 2 sources · 3 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 5.9Preferred score · CVE.org (CNA)
CVSS:3.0/I:N/UI:N/A:N/AV:N/PR:N/AC:H/S:U/C:H/RL:O/RC:C/E:USourcesAll 2 agree
- NVDNIST5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
High 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:N/A:NSourcesSingle source
EPSS trend
Probability
4.10%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.10% on 20-09-2026
20-09-202620-10-2026
EPSS score4.10%
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
- websphere_application_server8.0 | 8.5 | 9.0 | ≥ 8.0.0.0, ≤ 8.0.0.15 | ≥ 8.5.0.0, ≤ 8.5.5.19 | ≥ 9.0.0.0, ≤ 9.0.5.6
1 vendor · 1 product