What is CVE-2023-2971?

CVE-2023-2971 is a medium-severity vulnerability in Linux Kernel, classified under Path Traversal. CVSS score: 6.3/10. Published 2023-08-19.

How severe is CVE-2023-2971?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Path Traversal in Linux Kernel

CVE-2023-2971

Improper path handling in Typora before 1.7.0-dev on Windows and Linux allows a crafted webpage to access local files and exfiltrate them to remote web servers via "typora://app/typemark/". This vulnerability can be exploited if a user opens a malicious markdown file in Typora, or copies text from a malicious webpage and paste it into Typora.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-08-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

starlabs.sg/advisories/23/23-2971/ (Exploit, Third Party Advisory, Mitigation, third-party-advisory)

Frequently asked questions

What is CVE-2023-2971?: CVE-2023-2971 is a medium-severity vulnerability in Linux Kernel, classified under Path Traversal. CVSS score: 6.3/10. Published 2023-08-19.
How severe is CVE-2023-2971?: Medium severity. CVSS v3 base score is 6.3 out of 10.