What is CVE-2020-5253?

CVE-2020-5253 is a low-severity vulnerability in Nethack, classified under Incomplete List of Disallowed Inputs. CVSS score: 3.9/10. Published 2020-03-10.

How severe is CVE-2020-5253?

Low severity. CVSS v3 base score is 3.9 out of 10.

Privilege escalation in Nethack

CVE-2020-5253

NetHack before version 3.6.0 allowed malicious use of escaping of characters in the configuration file (usually .nethackrc) which could be exploited. This bug is patched in NetHack 3.6.0.

EPSS: 0.005 (42.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Nethack — versions < 3.6.0

Weakness classification (CWE)

CWE-184 — Incomplete List of Disallowed Inputs
CWE-269 — Improper Privilege Management

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5253?: CVE-2020-5253 is a low-severity vulnerability in Nethack, classified under Incomplete List of Disallowed Inputs. CVSS score: 3.9/10. Published 2020-03-10.
How severe is CVE-2020-5253?: Low severity. CVSS v3 base score is 3.9 out of 10.