Medium severity · published Feb 4, 2021
CVE-2020-4640
Certain IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 configurations can result in sensitive information in the URL fragment identifiers
4.1
CVSS
0.3%
EPSS
No
On KEV
Description
Certain IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 configurations can result in sensitive information in the URL fragment identifiers. This information can be cached in the intermediate nodes like proxy servers, cdn, logging platforms, etc. An attacker can make use of this information to perform attacks by impersonating a user. IBM X-Force ID: 185510.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Api Connect · Ibm
2018.4.1.0 through 2018.4.1.13; 10.0.0.0; 10.0.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-4640
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-4640
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/185510
Vendor Advisory
https://www.ibm.com/support/pages/node/6410486
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