How severe is CVE-2020-9297?

CVE-2020-9297 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9297 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9297?

CVE-2020-9297 primarily affects Netflix Titus. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9297?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-9297 published?

CVE-2020-9297 was published on 2020-07-14 and last updated on 2026-06-17.

CVE-2020-9297

CVE-2020-9297 is a critical-severity vulnerability in Netflix Titus with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-917.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-917
Affected product: Netflix Titus
Published: 2020-07-14
Last modified: 2026-06-17

Description

Netflix Titus, all versions prior to version v0.1.1-rc.274, uses Java Bean Validation (JSR 380) custom constraint validators. When building custom constraint violation error messages, different types of interpolation are supported, including Java EL expressions. If an attacker can inject arbitrary data in the error message template being passed to ConstraintValidatorContext.buildConstraintViolationWithTemplate() argument, they will be able to run arbitrary Java code.

Frequently asked questions

What is CVE-2020-9297?: Netflix Titus, all versions prior to version v0.1.1-rc.274, uses Java Bean Validation (JSR 380) custom constraint validators. When building custom constraint violation error messages, different types of interpolation are supported, including Java EL expressions. If an attacker can inject arbitrary data in the error message template being passed to ConstraintValidatorContext.buildConstraintViolationWithTemplate() argument, they will be able to run arbitrary Java code.
How severe is CVE-2020-9297?: CVE-2020-9297 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9297 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9297?: CVE-2020-9297 primarily affects Netflix Titus. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9297?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-9297 published?: CVE-2020-9297 was published on 2020-07-14 and last updated on 2026-06-17.

References

https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2020-002.md

Affected products (17)

cpe:2.3:a:netflix:titus:*:*:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:-:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc244:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc260:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc261:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc262:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc263:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc264:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc265:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc266:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc267:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc268:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc269:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc270:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc271:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc272:*:*:*:*:*:*
cpe:2.3:a:netflix:titus:0.1.1:rc273:*:*:*:*:*:*

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