CVE-2020-4767
IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote...
IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote attacker to cause a denial of service, caused by a buffer over-read. Bysending a specially crafted request, the attacker could cause the application to crash. IBM X-Force ID: 188906.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote attacker to cause a denial of service, caused by a buffer over-read. Bysending a specially crafted request, the attacker could cause the application to crash. IBM X-Force ID: 188906.
- Record
CVE-2020-4767- CVSS 3.0
- 7.5 High
CVSS:3.0/UI:N/A:H/I:N/PR:N/AV:N/C:N/AC:L/S:U/RC:C/RL:O/E:U - Updated
- 2026-11-02
EUVDEUVD-2020-26014
IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote attacker to cause a denial of service, caused by a buffer over-read. Bysending a specially crafted request, the attacker could cause the application to crash. IBM X-Force ID: 188906.
- Record
EUVD-2020-26014- CVSS 3.0
- 7.5 High
CVSS:3.0/UI:N/A:H/I:N/PR:N/AV:N/C:N/AC:L/S:U/RC:C/RL:O/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wf3w-6f2x-x7mg No score
IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote...
IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote attacker to cause a denial of service, caused by a buffer over-read. Bysending a specially crafted request, the attacker could cause the application to crash. IBM X-Force ID: 188906.
- Record
GHSA-wf3w-6f2x-x7mg- Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote attacker to cause a denial of service, caused by a buffer over-read. Bysending a specially crafted request, the attacker could cause the application to crash. IBM X-Force ID: 188906.
- Record
CVE-2020-4767- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4767 is a high vulnerability (CVSS 7.5) in Ibm Sterling Connect Direct For Microsoft Windows, published October 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. No source names a fixed version.