How severe is CVE-2019-19376?

CVE-2019-19376 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-19376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19376?

CVE-2019-19376 primarily affects Octopus Octopus Deploy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-19376?

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

When was CVE-2019-19376 published?

CVE-2019-19376 was published on 2019-11-28 and last updated on 2026-06-17.

CVE-2019-19376

CVE-2019-19376 is a medium-severity vulnerability in Octopus Octopus Deploy 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Octopus Octopus Deploy
Published: 2019-11-28
Last modified: 2026-06-17

Description

In Octopus Deploy before 2019.10.6, an authenticated user with TeamEdit permission could send a malformed Team API request that bypasses input validation and causes an application level denial of service condition. (The fix for this was also backported to LTS 2019.9.8 and LTS 2019.6.14.)

Frequently asked questions

What is CVE-2019-19376?: In Octopus Deploy before 2019.10.6, an authenticated user with TeamEdit permission could send a malformed Team API request that bypasses input validation and causes an application level denial of service condition. (The fix for this was also backported to LTS 2019.9.8 and LTS 2019.6.14.)
How severe is CVE-2019-19376?: CVE-2019-19376 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-19376 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19376?: CVE-2019-19376 primarily affects Octopus Octopus Deploy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-19376?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19376 published?: CVE-2019-19376 was published on 2019-11-28 and last updated on 2026-06-17.

References

https://github.com/OctopusDeploy/Issues/issues/6005

Affected products (2)

cpe:2.3:a:octopus:octopus_deploy:*:*:*:*:-:*:*:*
cpe:2.3:a:octopus:octopus_deploy:*:*:*:*:lts:*:*:*

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