Medium severity · published Oct 7, 2021
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
4.3
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SB
Sterling B2b Integrator · Ibm
2.2.0.0 through 5.2.6.5_3; 6.0.0.0 through 6.0.3.4; 6.1.0.0 through 6.1.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20376
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20376
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/195568
Patch
https://www.ibm.com/support/pages/node/6496789
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