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CVE-2022-23307
A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.
High8.8EPSS 54.4%
- Published
- Updated
- Reserved
- Assigned by
- apache
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 54.4% · top 1.0% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
Apache Software Foundation · Apache Log4j 1.x
- affected 1.2.1 – < unspecified
- affected unspecified – ≤ 2.0-alpha1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenlog4j:log4jGHSA-f7vh-qwp3-x37m (opens in a new tab)
- Mavenorg.zenframework.z8.dependencies.commons:log4j-1.2.17GHSA-f7vh-qwp3-x37m (opens in a new tab)
What to do
Workaround: Upgrade to Apache Log4j 2 and Apache Chainsaw 2.1.0.
References (4)
- https://logging.apache.org/log4j/1.2/index.html (opens in a new tab)x_refsource_MISCx_transferred
- https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpuapr2022.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpujul2022.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-f7vh-qwp3-x37m (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-23307)Record last updated .