Cyber Resilience

CVE-2020-18897

HighPublic PoC

Published: 19 August 2021

Published
19 August 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0010 28.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-18897 is a high-severity Use After Free (CWE-416) vulnerability in Libpff Project Libpff. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 28.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An use-after-free vulnerability in the libpff_item_tree_create_node function of libyal Libpff before 20180623 allows attackers to cause a denial of service (DOS) or execute arbitrary code via a crafted pff file.

CWE(s)
CWE-416

Related Threats

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

Affected Assets

libpff project
libpff
≤ 20180623

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.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References