CVE-2021-20375
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated user to intercept...
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated user to intercept and replace a message sent by another user due to improper access controls. IBM X-Force ID: 195567.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated user to intercept and replace a message sent by another user due to improper access controls. IBM X-Force ID: 195567.
- Record
CVE-2021-20375- CVSS 3.0
- 6.5 Medium
CVSS:3.0/S:U/C:N/A:N/UI:N/AV:N/AC:L/PR:L/I:H/RL:O/RC:C/E:U - Updated
- 2026-11-02
EUVDEUVD-2021-7793
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated user to intercept and replace a message sent by another user due to improper access controls. IBM X-Force ID: 195567.
- Record
EUVD-2021-7793- CVSS 3.0
- 6.5 Medium
CVSS:3.0/S:U/C:N/A:N/UI:N/AV:N/AC:L/PR:L/I:H/RL:O/RC:C/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4g69-39rh-x4q7
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated user to intercept...
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated user to intercept and replace a message sent by another user due to improper access controls. IBM X-Force ID: 195567.
- Record
GHSA-4g69-39rh-x4q7- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated user to intercept and replace a message sent by another user due to improper access controls. IBM X-Force ID: 195567.
- Record
CVE-2021-20375- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - 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-2021-20375 is a medium vulnerability (CVSS 6.5) in Ibm Sterling File Gateway, published October 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.