Vulnerability Details : CVE-2021-20376
IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568.
Products affected by CVE-2021-20376
- IBM » Sterling B2b IntegratorVersions from including (>=) 6.0.0.0 and up to, including, (<=) 6.0.3.4cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
- IBM » Sterling B2b IntegratorVersions from including (>=) 2.2.0.0 and up to, including, (<=) 5.2.6.5_3cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
- IBM » Sterling B2b IntegratorVersions from including (>=) 6.1.0.0 and up to, including, (<=) 6.1.0.1cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20376
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 17 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20376
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
IBM Corporation | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-20376
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20376
-
https://www.ibm.com/support/pages/node/6496789
Security Bulletin: Access Control Vulnerability Affects IBM Sterling File Gateway (CVE-2021-20376)Patch;Vendor Advisory
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/195568
IBM Sterling File Gateway information disclosure CVE-2021-20376 Vulnerability ReportVDB Entry;Vendor Advisory
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