CVE-2020-11620: debian debian_linux Deserialization of Untrusted Data
Vulnerability summary
CVE-2020-11620 is a high (CVSS 8.1) Deserialization of Untrusted Data vulnerability in debian debian_linux. EPSS estimates a 5.73% chance of exploitation in the next 30 days, higher than 93% of scored vulnerabilities.
Severe, CVSS 8.1 (NVD); no exploitation reported by the 5 checked sources; EPSS 6% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 07-04-2020PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.jelly.impl.Embedded (aka commons-jelly).
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · MavenEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
5.73%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
Decrease -0.05 pp
From 5.78% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard28 products
- eco-java-gradle-4.10All versions (No fix recorded)
- eco-java-gradle-4.10.1All versions (No fix recorded)
- eco-java-gradle-4.10.2All versions (No fix recorded)
- eco-java-gradle-4.10.3All versions (No fix recorded)
- eco-java-gradle-4.9All versions (No fix recorded)
Oracle14 products
- banking_platform≥ 2.4.0, ≤ 2.9.0
- communications_contacts_server8.0.0.4.0
- communications_evolved_communications_application_server7.1
- communications_instant_messaging_server10.0.1.4.0
- communications_network_charging_and_control≥ 12.0.0, ≤ 12.0.3 | 6.0.1
Debian2 products
- jackson-databind< 2.11.1-1
- debian_linuxEOL8.0
Netapp2 products
- active_iq_unified_manager≥ 7.3 (No fix recorded) | ≥ 9.5 (No fix recorded)
- steelstore_cloud_integrated_storagena
Com.fasterxml.jackson.core1 product
- jackson-databind≥ 2.9.0, < 2.9.10.4
Fasterxml1 product
- jackson-databind≥ 2.9.0, < 2.9.10.4
Ubuntu1 product
- jackson-databindAll versions (No fix recorded) | < 2.4.2-3ubuntu0.1~esm2
7 vendors · 49 products
References
19 links
lists.debian.org/debian-lts-announce/2020/04/msg00012.htmlMailing ListX Refsource MLISTAdvisoryWEBThird Party Advisory- github.com/FasterXML/jackson-databind/issues/2682X Refsource MISCREPORTWEBIssue TrackingThird Party Advisory
