In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization
Published Jan 22, 2024
9.8
CRITICALCVSS 3.1
EPSS 1.33%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed May 8, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.33% (0.01332) | 70.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.32% (0.01321) | 67.04th | v5 (v2026.06.15) |
| Nov 4, 2025 | 3.64% (0.03638) | 87.33th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.24% (0.02238) | 83.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.35% (0.04347) | 81.20th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.24% (0.02238) | 83.39th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00076) | 34.54th | v3 (v2023.03.01) |
| Jan 31, 2024 | 0.08% (0.00076) | 31.25th | v3 (v2023.03.01) |
| Jan 24, 2024 | 0.05% (0.00047) | 14.06th | v3 (v2023.03.01) |
References (9)
- https://clojure.atlassian.net/browse/CLJ-2204 ExploitPatchVendor Advisory
- https://github.com/advisories/GHSA-jgxc-8mwq-9xqw Advisory
- https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3 Patch
- https://github.com/frohoff/ysoserial/pull/68/files Patch
- https://groups.google.com/d/msg/clojure/WaL3hHzsevI/7zHU-L7LBQAJ
- https://hackmd.io/%40fe1w0/HyefvRQKp ExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-20189
- https://security.netapp.com/advisory/ntap-20241108-0002
- https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378 PatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://clojure.atlassian.net/browse/CLJ-2204 | ExploitPatchVendor Advisory | |
| https://github.com/advisories/GHSA-jgxc-8mwq-9xqw | Advisory | |
| https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3 | Patch | |
| https://github.com/frohoff/ysoserial/pull/68/files | Patch | |
| https://groups.google.com/d/msg/clojure/WaL3hHzsevI/7zHU-L7LBQAJ | ||
| https://hackmd.io/%40fe1w0/HyefvRQKp | ExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-20189 | ||
| https://security.netapp.com/advisory/ntap-20241108-0002 | ||
| https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378 | PatchThird Party Advisory |
Change history (0)
No recorded changes yet.