Critical severity · published Jan 5, 2021
CVE-2020-4899
IBM API Connect 5.0.0.0 through 5.0.8.10 could potentially leak sensitive information or allow for data corruption due to plain text transmission of sensitive information across…
9.1
CVSS
0.8%
EPSS
No
On KEV
Description
IBM API Connect 5.0.0.0 through 5.0.8.10 could potentially leak sensitive information or allow for data corruption due to plain text transmission of sensitive information across the network. IBM X-Force ID: 190990.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Api Connect · Ibm
5.0.0.0 through 5.0.8.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-4899
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-4899
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/190990
Vendor Advisory
https://www.ibm.com/support/pages/node/6395568
More from Api Connect
10.0
CVE-2019-4202
IBM API Connect 5.0.0.0 and 5.0.8.6 Developer Portal is vulnerable to command injection
9.9
CVE-2018-1789
IBM API Connect v2018.1.0 through v2018.3.4 could allow an attacker to send a specially crafted request to conduct a server side request forgery attack
9.9
CVE-2018-1712
IBM API Connect's Developer Portal 5.0.0.0 through 5.0.8.3 is vulnerable to Server Side Request Forgery
9.8
CVE-2026-9074
IBM API Connect SQL Injection
9.8
CVE-2026-3144
IBM API Connect Default Credentials