CVE-2020-9493
9.8
CRITICAL · CVSS 3.1 · EPSS 4.6% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.61% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-502 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-06-16 |
| Last modified | 2026-10-07 |
Affected (3)
| Vendor | Product |
|---|---|
| apache | chainsaw |
| apache | log4j |
| qos | reload4j |
References
- http://www.openwall.com/lists/oss-security/2021/06/16/1
- http://www.openwall.com/lists/oss-security/2022/01/18/5
- https://lists.apache.org/thread.html/r50d389c613ba6062a26aa57e163c09bfee4ff2d95d67331d75265b83%40%3Cannounce.apache.org%3E
- https://www.openwall.com/lists/oss-security/2021/06/16/1
- http://www.openwall.com/lists/oss-security/2021/06/16/1
- http://www.openwall.com/lists/oss-security/2022/01/18/5
- https://lists.apache.org/thread.html/r50d389c613ba6062a26aa57e163c09bfee4ff2d95d67331d75265b83%40%3Cannounce.apache.org%3E
- https://www.openwall.com/lists/oss-security/2021/06/16/1
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