Remote Code Execution Vulnerability in Apache Log4j Affected Versions
CVE-2017-5645

9.8CRITICAL

Key Information:

Vendor
Apache
Status
Apache Log4j
Vendor
CVE Published:
17 April 2017

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%

Summary

In versions of Apache Log4j 2.x prior to 2.8.2, vulnerabilities exist in the TCP and UDP socket servers that allow attackers to send specially crafted binary payloads. If these payloads are deserialized by the application receiving the log events, it may lead to the execution of arbitrary code. Organizations using affected versions of Log4j are advised to apply these updates promptly to mitigate potential exploitation risks.

Affected Version(s)

Apache Log4j All versions between 2.0-alpha1 and 2.8.1

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.

CVE-2017-5645
Created by pimps

References

https://access.redhat.com/errata/RHSA-2017:2888
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2809
vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/97702
vdb-entryx_refsource_BID

EPSS Score

94% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.