CVE-2020-9296

31
FAUCET Score

CVE-2020-9296 is a critical vulnerability affecting Netflix Titus, specifically when using Java Bean Validation custom constraint validators. An attacker can achieve arbitrary Java code execution by injecting malicious data into error message templates passed to ConstraintValidatorContext.buildConstraintViolationWithTemplate(). This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it has not been added to CISA's KEV catalog, nor is there any significant community discussion or media coverage surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.25.3CPE matchmatch criteria
cpe:2.3:a:netflix:conductor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.01%
Probability of exploitation in next 30 days
EPSS Percentile
78.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0201 is in the 67th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: com.netflix.conductor:conductor-coreFixed in: 2.25.4

Vendor Advisories (1)

mavenGHSA-wfj5-2mqr-7jvvcritical

Expression Language Injection in Netflix Conductor

Feb 10, 2022

References

github.com / Netflix/security-bulletins/blob/master/advisories/nflx-2020-002.md
Third Party Advisory