8.1

CVE-2020-36188: debian debian_linux Deserialization of Untrusted Data

CVSS: 8.1v3.1HighModified
AliasesUBUNTU-CVE-2020-36188DEBIAN-CVE-2020-36188CGA-22x9-3f69-vpj3
Published 06-01-2021Last modified 08-10-2026

Vulnerability summary

CVE-2020-36188 is a high (CVSS 8.1) Deserialization of Untrusted Data vulnerability in debian debian_linux. EPSS estimates a 8.79% chance of exploitation in the next 30 days, higher than 95.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
8.79%
0%100%
Low · -2.12 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 06-01-2021
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to com.newrelic.agent.deps.ch.qos.logback.core.db.JNDIConnectionSource.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

8.79%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

-2.12 pp

From 10.91% on 18-09-2026

18-09-202618-10-2026
EPSS score
8.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (cowtowncoder.medium.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Chainguard68 products
  • eco-java-gradle-2.10All versions (No fix recorded)
  • eco-java-gradle-2.11All versions (No fix recorded)
  • eco-java-gradle-2.12All versions (No fix recorded)
  • eco-java-gradle-2.13All versions (No fix recorded)
  • eco-java-gradle-2.14All versions (No fix recorded)
Oracle41 products
Debian2 products
Netapp2 products
Com.fasterxml.jackson.core1 product
  • jackson-databind≥ 2.7.0, < 2.9.10.8 | ≥ 2.0.0, < 2.6.7.5
Fasterxml1 product
Ubuntu1 product
  • jackson-databindAll versions (No fix recorded)

7 vendors · 116 products

References

17 links
Show all 17 references