It is possible for an API key to be logged in clear text in the audit log file after an invalid login attempt.
Priority LOW 19CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.
Summary
It is possible for an API key to be logged in clear text in the audit log file after an invalid login attempt.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00228 13th percentileScored 2026-11-07
Fix Fixed Octopus Server (Octopus Deploy): 2023.4.296, 2024.1.437, 2024.2.101
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Octopus Deploy | Octopus Server | 2018.9 to before 2023.4.296; 2024.1 to before 2024.1.437; 2024.2 to before 2024.2.101 | 2023.4.296, 2024.1.437, 2024.2.101 | Patch available | CNA |
- Octopus Server VendorOctopus Deploy Affected 2018.9 to before 2023.4.296; 2024.1 to before 2024.1.437; 2024.2 to before 2024.2.101 Fixed in 2023.4.296, 2024.1.437, 2024.2.101 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:* | 2018.9.0 to before 2023.4.296 | Vulnerable | Octopus Deploy |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:* Versions 2018.9.0 to before 2023.4.296 Vulnerable ·Octopus Deploy
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · CNA Octopus Server (Octopus Deploy) Fixed in 2023.4.296, 2024.1.437, 2024.2.101
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4509
- 2026-10-03 Alias added: GHSA-mpqv-9884-5x3c
References
More Octopus Deploy Octopus Server vulnerabilities
- TI-2018-13353 In Octopus Deploy 2018.8.0 through 2018.9.x before 2018.9.1, an authenticated user with… CVSS 3.0HIGH 8.8
- TI-2022-02375 Improper authentication in Octopus Server CVSS 3.1CRITICAL 9.8
- TI-2022-02579 Insufficient session expiration in Octopus Server CVSS 3.1CRITICAL 9.1
- TI-2018-08066 In Octopus Deploy 2018.4.4 through 2018.5.1, Octopus variables that are sourced from the… CVSS 3.0CRITICAL 9.8
- TI-2022-02575 In affected versions of Octopus Deploy it is possible to bypass rate limiting on login using null bytes. CVSS 3.1CRITICAL 9.8
- TI-2022-03678 In affected versions of Octopus Deploy it is possible for a user to introduce code via offline package creation CVSS 3.1HIGH 8.8
Sources
- CVE-2023-4509 · CVE Program
- CVE-2023-4509 · NVD
- FIRST EPSS
- GHSA-mpqv-9884-5x3c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences