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01 Record

CVE-2021-20375

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.

MediumPUBLISHEDCNA: ibm
CNA base score6.5 CVSS v3.xCVSS:3.0/S:U/C:N/A:N/UI:N/AV:N/AC:L/PR:L/I:H/RL:O/RC:C/E:U
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02 Description

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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.79% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 56.1% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-10-07 18:05Z5 YR AGO
Last updated
2024-09-16 17:23Z2 YR AGO
Reserved
2020-12-17
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 6.5)
CNA CVSS vector
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
Weaknesses
No CWE assigned
Data version
5.1
Document digest
ebec4d2235f6c839ac9f664229537a93616fe0990865fe4c096c06034f401d1d

05 Affected products

VendorProductVersionsPlatforms
IBMSterling File Gateway2.2.0.0, 6.0.0.0, 5.2.6.5_3, 6.0.3.4, 6.1.0.0, 6.1.0.1—

06 References