Medium severity · published Oct 20, 2021
CVE-2021-2416
Vulnerability in the Oracle Communications Session Border Controller product of Oracle Communications (component: Routing)
4.9
CVSS
0.9%
EPSS
No
On KEV
Description
Vulnerability in the Oracle Communications Session Border Controller product of Oracle Communications (component: Routing). Supported versions that are affected are 8.4 and 9.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Communications Session Border Controller. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Communications Session Border Controller. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Communications Session Border Controller · Oracle
8.4; 9.0 · source: NVD
Affected product
CS
Communications Session Border Controller
Oracle
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-2416
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-2416
Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
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