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CVE-2022-23307

A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.

HIGH
8.8
CVSS Score
Published: January 18, 2022 at 03:25 PM UTC
Updated: June 17, 2026 at 04:29 AM UTC
26 products affected across 3 vendorsWebLogic ServerEnterprise Manager Base PlatformBusiness Intelligence

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Severity
HIGH8.8
Exploit prediction
EPSS 54%
SSVC
No known exploit

Description

CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Chainsaw· Apache
95%
v < 2.1.0
Affected range stops below 2.1.0, so it looks safe — our inference, not a vendor statement
Log4j· Apachemaven
95%
v ≥ 1.2.1v ≤ 2.0-alpha11.2 ≤ v < 2.01.2.1
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
Advanced Supply Chain Planning· Oracle
95%
12.112.2
Business Intelligence· Oracledrupal
95%
12.2.1.3.012.2.1.4.05.9.0.0.0
Business Process Management Suite· Oracle
95%
12.2.1.3.012.2.1.4.0
Communications Eagle FTP Table Base Retrieval· Oracle
95%
4.5
Communications Instant Messaging Server· Oracle
95%
10.0.1.5.0
Communications Messaging Server· Oracle
95%
8.1
Communications Network Integrity· Oracle
95%
7.3.6
Communications Offline Mediation Controller· Oracle
95%
v < 12.0.0.4.412.0.0.5.0
Affected range stops below 12.0.0.4.4, so it looks safe — our inference, not a vendor statement

References (4)

x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh
x_refsource_MISCVendor Advisory
Source: [email protected]
https://logging.apache.org/log4j/1.2/index.html
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuapr2022.html
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpujul2022.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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