Vulnerability · Published Jun 7, 2021 · Assigned by ibm
CVE-2021-20517
Medium 6.4
In plain English
A medium-severity security flaw in WebSphere Application Server ND from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities).
Severity (CVSS 3.0)6.4Medium
Exploit odds (30 days)1.9%top 20.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
IBM WebSphere Application Server Network Deployment 8.5 and 9.0 could allow a remote authenticated attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to read and delete arbitrary files on the system. IBM X-Force ID: 198435.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | WebSphere Application Server ND | 8.59.0 |
References
- https://www.ibm.com/support/pages/node/6456955 x_refsource_CONFIRM
- ibm-websphere-cve202120517-dir-traversal (198435) vdb-entry, x_refsource_XF