Medium severity · published Oct 20, 2021
CVE-2021-2477
Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite (component: Session Management)
5.3
CVSS
1.5%
EPSS
No
On KEV
Description
Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite (component: Session Management). Supported versions that are affected are 12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Applications Framework. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Applications Framework. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Applications Framework · Oracle
12.2.3 through 12.2.10; 12.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-2477
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-2477
Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
More from Applications Framework
9.1
CVE-2026-62546
Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite (component: Web Utilities)
9.1
CVE-2021-2200
Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite (component: Home page)
8.8
CVE-2026-62534
Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite (component: Web Utilities)
8.8
CVE-2026-60676
Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite (component: Search Bean)
8.8
CVE-2026-60675
Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite (component: Search Bean)