8.8

CVE-2020-1714: quarkus Improper Input Validation

CVSS: 8.8v3.1HighModified
AliasesRHSA-2020:2814RHSA-2020:2816GHSA-m6mm-q862-j366
Published 13-05-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-1714 is a high (CVSS 8.8) Improper Input Validation vulnerability in quarkus. EPSS estimates a 2.60% chance of exploitation in the next 30 days, higher than 85.1% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
2.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-05-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potentially lead to remote code execution.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

2.60%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.60% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat10 products
Org.keycloak2 products
  • keycloak-common< 11.0.0
  • keycloak-core< 11.0.0
Quarkus1 product
Red hat1 product

4 vendors · 14 products

References

16 links
Show all 16 references