Cyber Resilience

CVE-2021-45848

HighPublic PoC

Published: 15 March 2022

Published
15 March 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0034 56.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45848 is a high-severity Improper Encoding or Escaping of Output (CWE-116) vulnerability in Nicotine-Plus Nicotine\+. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 43.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Denial of service (DoS) vulnerability in Nicotine+ 3.0.3 and later allows a user with a modified Soulseek client to crash Nicotine+ by sending a file download request with a file path containing a null character.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

nicotine-plus
nicotine\+
3.0.3 — 3.2.1
fedoraproject
fedora
34

Mitigating Controls

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-116

Validating that output matches expected content directly mitigates failures to properly encode or escape data for its destination context.

References