Deserialization in Apache Nifi
CVE-2021-20190
A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system avai…
Vulnerability class: Insecure Deserialization
EPSS: 0.075 (93.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Nifi
- Fasterxml Jackson-databind
- Netapp Active_iq_unified_manager
- Netapp Oncommand_api_services
- Netapp Oncommand_insight
- Netapp Service_level_manager
- Oracle Commerce_guided_search_and_experience_manager — versions 11.3.2
- Debian Debian_linux — versions 9.0
- N/a Jackson-databind — versions jackson-databind 2.9.10.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20190?
- CVE-2021-20190 is a high-severity vulnerability in Apache Nifi, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2021-01-19.
- How severe is CVE-2021-20190?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-20190 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.