CVE-2020-1964 json
Deserialization of Untrusted Data in Apache Heron
published 2020-04-16 6 y ago modified 2026-06-17 4 mo ago also GHSA-hjgm-f7vx-m5g7 , EUVD-2022-0617
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.8%
- EPSS 4.8% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
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).
Patch / fix
- maven org.apache.heron:heron-simulator 0.20.3-incubating
Exploit prediction
4.81% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.heron:heron-simulator | >=0.20.0-incubating, <0.20.3-incubating |
0.20.3-incubating |
Affected products
- n/a Apache Heron
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
lists.apache.org
/thread.html/r16dd39f4180e4443ef4ca774a3a5a3d7ac69f91812c183ed2a99e959%40%3Cdev.heron.apache.org%3E
web, mailing-list, vendor-advisory
-
lists.apache.org
/thread.html/rf032a13a4711f88c0a2c0734eecbee1026cc1b6cde27d16a653f8755%40%3Cdev.ignite.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/rd43ae18588fd7bdb375be63bc95a651aab319ced6306759e1237ce67%40%3Cdev.ignite.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/re7b43cf8333ee30b6589e465f72a6ed4a082222612d1a0fdd30beb94%40%3Cdev.ignite.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/re7b43cf8333ee30b6589e465f72a6ed4a082222612d1a0fdd30beb94%40%3Cuser.ignite.apache.org%3E
mailing-list
-
nvd.nist.gov
/vuln/detail/CVE-2020-1964
advisory
-
lists.apache.org
/thread.html/rd43ae18588fd7bdb375be63bc95a651aab319ced6306759e1237ce67@%3Cdev.ignite.apache.org%3E
web
-
lists.apache.org
/thread.html/re7b43cf8333ee30b6589e465f72a6ed4a082222612d1a0fdd30beb94@%3Cdev.ignite.apache.org%3E
web
-
lists.apache.org
/thread.html/re7b43cf8333ee30b6589e465f72a6ed4a082222612d1a0fdd30beb94@%3Cuser.ignite.apache.org%3E
web
-
lists.apache.org
/thread.html/rf032a13a4711f88c0a2c0734eecbee1026cc1b6cde27d16a653f8755@%3Cdev.ignite.apache.org%3E
web
Sources
- CVE List CVE-2020-1964
- GitHub Advisory GHSA-hjgm-f7vx-m5g7
- NVD CVE-2020-1964
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.