CVE-2020-1964
It was noticed that Apache Heron 0.20.2-incubating, Release 0.20.1-incubating, and Release v-0.20.0-incubating does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerabilities…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
It was noticed that Apache Heron 0.20.2-incubating, Release 0.20.1-incubating, and Release v-0.20.0-incubating does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerabilities (CWE-502: Deserialization of Untrusted Data).
- 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
- 4.81% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- apache/heron
- Source
- security@apache.org
EPSS 4.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://lists.apache.org/thread.html/r16dd39f4180e4443ef4ca774a3a5a3d7ac69f91812c183ed2a99e959%40%3Cdev.heron.apache.org%3EMailing List, Vendor Advisory
- https://lists.apache.org/thread.html/rd43ae18588fd7bdb375be63bc95a651aab319ced6306759e1237ce67%40%3Cdev.ignite.apache.org%3E
- https://lists.apache.org/thread.html/re7b43cf8333ee30b6589e465f72a6ed4a082222612d1a0fdd30beb94%40%3Cdev.ignite.apache.org%3E
- https://lists.apache.org/thread.html/re7b43cf8333ee30b6589e465f72a6ed4a082222612d1a0fdd30beb94%40%3Cuser.ignite.apache.org%3E
- https://lists.apache.org/thread.html/rf032a13a4711f88c0a2c0734eecbee1026cc1b6cde27d16a653f8755%40%3Cdev.ignite.apache.org%3E
- https://lists.apache.org/thread.html/r16dd39f4180e4443ef4ca774a3a5a3d7ac69f91812c183ed2a99e959%40%3Cdev.heron.apache.org%3EMailing List, Vendor Advisory
- https://lists.apache.org/thread.html/rd43ae18588fd7bdb375be63bc95a651aab319ced6306759e1237ce67%40%3Cdev.ignite.apache.org%3E
- https://lists.apache.org/thread.html/re7b43cf8333ee30b6589e465f72a6ed4a082222612d1a0fdd30beb94%40%3Cdev.ignite.apache.org%3E
- https://lists.apache.org/thread.html/re7b43cf8333ee30b6589e465f72a6ed4a082222612d1a0fdd30beb94%40%3Cuser.ignite.apache.org%3E
- https://lists.apache.org/thread.html/rf032a13a4711f88c0a2c0734eecbee1026cc1b6cde27d16a653f8755%40%3Cdev.ignite.apache.org%3E
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.