Security Resilience

CVE-2023-41964

F5 Big-Ip Access Policy Manager 13.1.0 – 13.1.5

Published
10 October 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 4.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0030 21th percentile
Risk Priority 36 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-41964 is a medium-severity Cleartext Storage of Sensitive Information (CWE-312) vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 4.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Junk Data (T1001.001); ranked at the 21th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

The BIG-IP and BIG-IQ systems do not encrypt some sensitive information written to Database (DB) variables.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001.001 Junk Data Command And Control
Adversaries may add junk data to protocols used for command and control to make detection more difficult.
T1003.006 DCSync Credential Access
Adversaries may attempt to access credentials and other sensitive information by abusing a Windows Domain Controller's application programming interface (API)(Citation: Microsoft DRSR Dec 2017) (Citation: Microsoft GetNCCChanges) (Citati…
T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
T1007 System Service Discovery Discovery
Adversaries may try to gather information about registered local system services.
T1010 Application Window Discovery Discovery
Adversaries may attempt to get a listing of open application windows.
T1016.001 Internet Connection Discovery Discovery
Adversaries may check for Internet connectivity on compromised systems.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-43485Same product: F5 Big-Ip Access Policy Manager
CVE-2026-41219Same product: F5 Big-Ip Access Policy Manager
CVE-2026-40631Same product: F5 Big-Ip Access Policy Manager
CVE-2026-42063Same product: F5 Big-Ip Access Policy Manager
CVE-2023-38419Same product: F5 Big-Ip Access Policy Manager
CVE-2025-59781Same product: F5 Big-Ip Access Policy Manager
CVE-2023-27378Same product: F5 Big-Ip Access Policy Manager
CVE-2023-29163Same product: F5 Big-Ip Access Policy Manager
CVE-2023-40542Same product: F5 Big-Ip Access Policy Manager
CVE-2023-42768Same product: F5 Big-Ip Access Policy Manager

Affected Assets

f5
big-ip access policy manager
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip advanced firewall manager
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip advanced web application firewall
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip analytics
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip application acceleration manager
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip application security manager
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip application visibility and reporting
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip carrier-grade nat
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip ddos hybrid defender
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
f5
big-ip domain name system
13.1.0 — 13.1.5 · 14.1.0 — 14.1.5 · 15.1.0 — 15.1.9
+10 more product configuration(s) — see NVD for full list

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 4 hardening rules · 3 OS baselines
Validate
Prove the fix (OWASP ASVS)
  • V14.2.8

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-312

Training on secure data handling discourages cleartext storage of sensitive information.

addresses: CWE-312

Data action mapping can detect storage actions that leave sensitive information in cleartext.

addresses: CWE-312

Configuration policies can mandate secure storage methods to avoid cleartext storage of sensitive information.

addresses: CWE-312

Policy requires protection measures such as encryption for sensitive data stored on media, preventing cleartext exposure.

addresses: CWE-312

Key-management policy requires protected storage of key material, preventing cleartext storage of sensitive cryptographic keys.

addresses: CWE-312

Requiring confidentiality protection for information at rest eliminates cleartext storage of sensitive data on persistent media.

addresses: CWE-312

Reduces cleartext storage of sensitive data when OPSEC identifies and mandates protection of key information artifacts.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.DS-01 partial match
blocks

Encryption and cryptographic controls for data-at-rest directly prevent cleartext storage of sensitive information.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

When clear-text sensitive data is detected leaving controlled storage, the control can block the transfer, thereby limiting the exposure that would result from unencrypted storage on external media or cloud services.

removes

created from the owner's anchor; an owner grade is a row and does not wait for an instrument (Mythos 2026-09-29T15:58Z).

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (higher-evidence rows only; rows rated `none` are excluded).

Oracle Linux 8 (1 rule)
  • V-248525 All OL 8 local disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at-rest protection. blocks CWE-312
Oracle Linux 9 (1 rule)
  • V-271756 OL 9 local disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at rest protection. blocks CWE-312
RHEL 8 (1 rule)
  • V-230224 All RHEL 8 local disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at rest protection. blocks CWE-312

References