How severe is CVE-2019-15508?

CVE-2019-15508 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 high, integrity none, and availability none.

Is CVE-2019-15508 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15508?

CVE-2019-15508 primarily affects Octopus Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-15508?

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

When was CVE-2019-15508 published?

CVE-2019-15508 was published on 2019-08-23 and last updated on 2026-06-17.

CVE-2019-15508

CVE-2019-15508 is a medium-severity vulnerability in Octopus Server 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-312.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Octopus Server
Published: 2019-08-23
Last modified: 2026-06-17

Description

In Octopus Tentacle versions 3.0.8 to 5.0.0, when a web request proxy is configured, an authenticated user (in certain limited OctopusPrintVariables circumstances) could trigger a deployment that writes the web request proxy password to the deployment log in cleartext. This is fixed in 5.0.1. The fix was back-ported to 4.0.7.

Frequently asked questions

What is CVE-2019-15508?: In Octopus Tentacle versions 3.0.8 to 5.0.0, when a web request proxy is configured, an authenticated user (in certain limited OctopusPrintVariables circumstances) could trigger a deployment that writes the web request proxy password to the deployment log in cleartext. This is fixed in 5.0.1. The fix was back-ported to 4.0.7.
How severe is CVE-2019-15508?: CVE-2019-15508 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 high, integrity none, and availability none.
Is CVE-2019-15508 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15508?: CVE-2019-15508 primarily affects Octopus Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-15508?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15508 published?: CVE-2019-15508 was published on 2019-08-23 and last updated on 2026-06-17.

References

https://github.com/OctopusDeploy/Issues/issues/5750

Affected products (2)

cpe:2.3:a:octopus:server:*:*:*:*:*:*:*:*
cpe:2.3:a:octopus:tentacle:*:*:*:*:*:*:*:*

More vulnerabilities in Octopus Server

CVE-2021-31817 — High (CVSS 7.5): When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the…
CVE-2021-31816 — High (CVSS 7.5): When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the…
CVE-2021-30183 — High (CVSS 7.5): Cleartext storage of sensitive information in multiple versions of Octopus Server where in certain situations when…
CVE-2019-15507 — Medium (CVSS 6.5): In Octopus Deploy versions 2018.8.4 to 2019.7.6, when a web request proxy is configured, an authenticated user (in…
CVE-2019-19085 — Medium (CVSS 5.4): A persistent cross-site scripting (XSS) vulnerability in Octopus Server 3.4.0 through 2019.10.5 allows remote…
CVE-2022-1502 — Medium (CVSS 4.3): Permissions were not properly verified in the API on projects using version control in Git. This allowed projects to be…

All CVEs affecting Octopus Server →

Other CWE-312 (Cleartext Storage of Sensitive Information) vulnerabilities

CVE-2022-43757 — Critical (CVSS 9.9): A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows users on managed clusters to gain…
CVE-2021-36782 — Critical (CVSS 9.9): A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster…
CVE-2020-9045 — Critical (CVSS 9.9): During installation or upgrade to Software House C•CURE 9000 v2.70 and American Dynamics victor Video Management…
CVE-2026-31848 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 uses the ecos_pw cookie for authentication, which…
CVE-2025-65826 — Critical (CVSS 9.8): The mobile application was found to contain stored credentials for the network it was developed on. If an attacker…
CVE-2025-34206 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) Virtual Appliance Host and Application (VA and SaaS deployments) mount host…

Browse all CWE-312 (Cleartext Storage of Sensitive Information) vulnerabilities →