RFD Protection Bypass via jsessionid
CVE-2020-5421
8.7HIGH
Key Information:
- Vendor
- Spring By Vmware
- Status
- Spring Framework
- Vendor
- CVE Published:
- 19 September 2020
Badges
๐พ Exploit Exists๐ก Public PoC
Summary
In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.
Affected Version(s)
Spring Framework 4.3 < 4.3.29
Spring Framework 5.0 < 5.0.19
Spring Framework 5.1 < 5.1.18
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
7% chance of being exploited in the next 30 days.
CVSS V3.1
Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed
Timeline
- ๐ก
Public PoC available
- ๐พ
Exploit known to exist
Vulnerability published
Vulnerability Reserved