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CVE-2020-4587
IBM Sterling Connect:Direct for UNIX 4.2.0, 4.3.0, 6.0.0, and 6.1.0 is vulnerable to a stack based buffer ovreflow, caused by improper…
High8.4EPSS 0.34%
- Published
- Updated
- Reserved
- Assigned by
- ibm
Description
IBM Sterling Connect:Direct for UNIX 4.2.0, 4.3.0, 6.0.0, and 6.1.0 is vulnerable to a stack based buffer ovreflow, caused by improper bounds checking. A local attacker could manipulate CD UNIX to obtain root provileges. IBM X-Force ID: 184578.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | High8.4 | CVSS:3.0/A:H/PR:N/C:H/AV:L/S:U/I:H/UI:N/AC:L/RC:C/RL:O/E:U |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.34% · top 72% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Weakness
- Gain Privileges
- CWE-787 (opens in a new tab)All about CWE-787 and its CVEs
Affected products
IBM · Sterling Connect:Direct for UNIX
- affected 4.2.0
- affected 4.3.0
- affected 6.1.0
- affected 6.0.0
References (2)
- https://www.ibm.com/support/pages/node/6320317 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-sterling-cve20204587-bo (184578) (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-2020-4587)Record last updated .