Security Resilience

CVE-2023-46723

Info Disclosure in Pajip Lte-Pic32-Writer ≤ 0.0.3

Published
31 October 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 8.9
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
EPSS Score 0.0040 33th percentile
Risk Priority 62 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-2023-46723 is a high-severity Insertion of Sensitive Information into Externally-Accessible File or Directory (CWE-538) vulnerability in Pajip Lte-Pic32-Writer. Its CVSS base score is 8.9 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Direct Volume Access (T1006); ranked at the 33th 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

lte-pic32-writer is a writer for PIC32 devices. In versions 0.0.1 and prior, those who use `sendto.txt` are vulnerable to attackers who known the IMEI reading the sendto.txt. The sendto.txt file can contain the SNS(such as slack and zulip) URL and…

more

API key. As of time of publication, a patch is not yet available. As workarounds, avoid using `sendto.txt` or use `.htaccess` to block access to `sendto.txt`.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1006 Direct Volume Access Stealth
Adversaries may directly access a volume to bypass file access controls and file system monitoring.
T1016.001 Internet Connection Discovery Discovery
Adversaries may check for Internet connectivity on compromised systems.
T1018 Remote System Discovery Discovery
Adversaries may attempt to get a listing of other systems by IP address, hostname, or other logical identifier on a network that may be used for Lateral Movement from the current system.
T1020.001 Traffic Duplication Exfiltration
Adversaries may leverage traffic mirroring in order to automate data exfiltration over compromised infrastructure.
T1021 Remote Services Lateral Movement
Adversaries may use [Valid Accounts](https://attack.
T1025 Data from Removable Media Collection
Adversaries may search connected removable media on computers they have compromised to find files of interest.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-31954Shared CWE-538
CVE-2026-33705Shared CWE-538
CVE-2025-27150Shared CWE-538
CVE-2025-31550Shared CWE-538
CVE-2025-11891Shared CWE-538
CVE-2025-36372Shared CWE-538
CVE-2023-4595Shared CWE-538
CVE-2025-57734Shared CWE-538
CVE-2025-61138Shared CWE-538
CVE-2024-22045Shared CWE-538

Affected Assets

pajip
lte-pic32-writer
≤ 0.0.3

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 2 hardening rules · 2 OS baselines
Validate
Prove the fix (OWASP ASVS)
  • V14.1.2
  • 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-538

Pre- and post-publication reviews prevent insertion of sensitive information into externally-accessible public locations.

addresses: CWE-538

Monitors for sensitive information placed in externally accessible files or directories.

addresses: CWE-538

The map shows if data actions result in sensitive information being placed in externally accessible locations.

addresses: CWE-538

Isolation and eradication reduce the ability to exploit sensitive information inserted into externally-accessible files or directories.

addresses: CWE-538

Approved categorization forces identification of externally accessible files that contain sensitive content so they receive proper protection.

addresses: CWE-538

The pre-implementation review identifies externally accessible files or directories containing PII and drives access restrictions or removal.

addresses: CWE-538

Tainting makes it possible to determine when sensitive data has been removed from externally accessible files or directories.

addresses: CWE-538

OPSEC practices stop placement of supply-chain information into locations accessible to external parties.

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.AA-05 partial match
blocks

Least-privilege file and directory permissions directly prevent unauthorized actors from reading sensitive data placed in accessible locations.

PR.DS-01 partial match
blocks

Protecting data-at-rest encompasses file-level access controls and encryption that stop exposure of sensitive information in externally reachable paths.

PR.PS-01 partial match
blocks

Hardened configuration baselines and ongoing config management reduce the chance that sensitive data is written to world-readable files or directories.

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.

A.8.11 Data masking partial match
blocks

By ensuring that only the minimum necessary data is present in files or directories that may be reachable by external parties, the control lowers the impact of any subsequent exposure.

removes

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-248579 OL 8 must restrict access to the kernel message buffer. blocks CWE-538
RHEL 8 (1 rule)
  • V-230269 RHEL 8 must restrict access to the kernel message buffer. blocks CWE-538

References