CVE-2020-4433
Certain IBM Aspera applications are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. This could allow a…
- Published
- Updated
- Reserved
- Assigned by
- ibm
Description
Certain IBM Aspera applications are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. This could allow a remote attacker with intimate knowledge of the server to execute arbitrary code on the system with the privileges of root or cause server to crash. IBM X-Force ID: 180814.
Timeline
ID reserved
By ibm
- 5 months later
· 5 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | High7.5 | CVSS:3.0/AC:H/I:H/UI:N/PR:L/S:U/C:H/AV:N/A:H/RC:C/RL:O/E:U |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 5.3% · top 7.4% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected 3.7.4
- affected 3.7.4
IBM · Aspera High-Speed Transfer Server for Cloud Pak for Integration (CP4I)
- affected 3.9.10
IBM · Aspera High-Speed Transfer Endpoint
- affected 3.9.3
- affected 3.9.3
IBM · Aspera Transfer Cluster Manager
- affected 1.3.1
IBM · Aspera High-Speed Transfer Server
- affected 3.9.3
- affected 3.7.4
IBM · Aspera Application Platform On Demand
- affected 3.7.4
- affected 1.4.3
References (2)
- https://www.ibm.com/support/pages/node/6221324 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-aspera-cve20204433-bo (180814) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-4433)Record last updated .