CVE-2020-17530

9.8CRITICAL

Key Information:

Vendor
Apache
Status
Apache Struts
Vendor
CVE Published:
11 December 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 96%🦅 CISA Reported

Summary

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Apache Struts Struts 2.0.0 - Struts 2.5.25

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-2020-17530
Created by ka1n4t

CVE-2020-17530
Created by wuzuowei

CVE-2020-17530
Created by Al1ex

References

https://cwiki.apache.org/confluence/display/WW/S2-061
x_refsource_CONFIRM
http://jvn.jp/en/jp/JVN43969166/index.html
third-party-advisoryx_refsource_JVN
https://www.oracle.com/security-alerts/cpujan2021.html
x_refsource_MISC

EPSS Score

96% 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

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.