How severe is CVE-2020-7622?

CVE-2020-7622 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-7622 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7622?

CVE-2020-7622 affects Jooby. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7622?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-7622 published?

CVE-2020-7622 was published on 2020-04-06 and last updated on 2026-06-17.

CVE-2020-7622

CVE-2020-7622 is a medium-severity vulnerability in Jooby with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 7.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jooby
Published: 2020-04-06
Last modified: 2026-06-17

Description

This affects the package io.jooby:jooby-netty before 1.6.9, from 2.0.0 and before 2.2.1. The DefaultHttpHeaders is set to false which means it does not validates that the header isn't being abused for HTTP Response Splitting.

Frequently asked questions

What is CVE-2020-7622?: This affects the package io.jooby:jooby-netty before 1.6.9, from 2.0.0 and before 2.2.1. The DefaultHttpHeaders is set to false which means it does not validates that the header isn't being abused for HTTP Response Splitting.
How severe is CVE-2020-7622?: CVE-2020-7622 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-7622 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7622?: CVE-2020-7622 affects Jooby. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7622?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7622 published?: CVE-2020-7622 was published on 2020-04-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jooby:jooby:*:*:*:*:*:*:*:*

More vulnerabilities in Jooby

CVE-2019-15477 — Medium (CVSS 6.1): Jooby before 1.6.4 has XSS via the default error handler.
CVE-2020-7647 — Medium (CVSS 5.3): All versions before 1.6.7 and all versions after 2.0.0 inclusive and before 2.8.2 of io.jooby:jooby and org.jooby:jooby…

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