VulnerabilityModified
CVE-2017-20189
In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization.
CRITICAL 9.8EPSS 1.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization. This is relevant if a server deserializes untrusted objects.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.33% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- clojure/clojure
- Source
- cve@mitre.org
References
- https://clojure.atlassian.net/browse/CLJ-2204Exploit, Patch, Vendor Advisory
- https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3Patch
- https://github.com/frohoff/ysoserial/pull/68/filesPatch
- https://hackmd.io/%40fe1w0/HyefvRQKpExploit, Third Party Advisory
- https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378Patch, Third Party Advisory
- https://clojure.atlassian.net/browse/CLJ-2204Exploit, Patch, Vendor Advisory
- https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3Patch
- https://github.com/frohoff/ysoserial/pull/68/filesPatch
- https://hackmd.io/%40fe1w0/HyefvRQKpExploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20241108-0002/
- https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.