CVE-2021-20375
mediumpriority · track · 26EPSS 0.008 · 56 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.80% (56th) EPSS
CVSS 4 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-27
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.
01
cvss
Technical severity, 0–10. One row per scoring source.
6.5
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6
v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · psirt@us.ibm.com USexploitability 2.8 · impact 3.6
02
weaknesses
The CWE weakness classes this flaw belongs to.
CWE-285USLLM-inferred
03
affected products (9)
Products and version ranges known to be affected.
- ibm sterling b2b integrator2.2.0.0 → 5.2.6.5_3nvdUScpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
- ibm sterling b2b integrator6.0.0.0 → 6.0.3.4nvdUScpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
- ibm sterling b2b integrator6.1.0.0 → 6.1.0.1nvdUScpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
06
references (6)
External citations — patches, advisories, analysis.
- https://exchange.xforce.ibmcloud.com/vulnerabilities/195567cnnvd
- https://www.ibm.com/support/pages/node/6496803cnnvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/195567enisa_euvd
- https://www.ibm.com/support/pages/node/6496803enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/195567VDB EntryVendor Advisorynvd
- https://www.ibm.com/support/pages/node/6496803PatchVendor Advisorynvd
scry
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan