CVE-2023-20885 | CF workflows leak credentials in system audit logs

Vulnerability in Cloud Foundry Notifications, Cloud Foundry SMB-volume release, Cloud FOundry cf-nfs-volume release.This issue affects Notifications: All versions prior to 63; SMB-volume release: All versions prior to 3.1.19; cf-nfs-volume release: 5.0.X versions prior to 5.0.27, 7.1.X versions prior to 7.1.19.

Published: 2023-06-16 Last update: 2024-12-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-20885 is rated Moderate Risk (40.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.54%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-20885

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-16 0.45% 0.54% +0.09%
2 2026-06-15 0.18% 0.45% +0.27%
3 2025-11-21 — 0.18% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-20885

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]

Weakness enumeration for CVE-2023-20885

Affected software / configurations for CVE-2023-20885

Vendor Product Version Raw CPE
pivotal cloud_foundry_nfs_volume >= 5.0.0, < 5.0.27 cpe:2.3:a:pivotal:cloud_foundry_nfs_volume:*:*:*:*:*:*:*:*
pivotal cloud_foundry_nfs_volume >= 7.1.0, < 7.1.19 cpe:2.3:a:pivotal:cloud_foundry_nfs_volume:*:*:*:*:*:*:*:*
pivotal cloud_foundry_notifications < 63 cpe:2.3:a:pivotal:cloud_foundry_notifications:*:*:*:*:*:*:*:*
pivotal cloud_foundry_smb_volume < 3.1.19 cpe:2.3:a:pivotal:cloud_foundry_smb_volume:*:*:*:*:*:*:*:*

References for CVE-2023-20885

cvelogic Threat Intelligence