ExifTool Remote Code Execution Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM

6.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Exploitation Likelihood

EPSS Prediction

99.98 %

Predictive Probability

Percentile Rank

100.0 th

Documented as more likely to be exploited than 100.0% of known CVEs.

Detection Date

Nov 17, 2021

Remediation Due

Dec 01, 2021

CISA Catalog Active

Threat Analysis

Improper neutralization of user data in the DjVu file format in Exiftool versions 7.44 and up allows arbitrary code execution when parsing the malicious image

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-22204