What is CVE-2021-20745?

CVE-2021-20745 is a high-severity vulnerability in Inkdrop, classified under OS Command Injection. CVSS score: 7.8/10. Published 2021-06-28.

How severe is CVE-2021-20745?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Inkdrop

CVE-2021-20745

Inkdrop versions prior to v5.3.1 allows an attacker to execute arbitrary OS commands on the system where it runs by loading a file or code snippet containing an invalid iframe into Inkdrop.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.010 (58.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Inkdrop
Takuya Matsuyama Inkdrop — versions versions prior to v5.3.1

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

vultures@jpcert.or.jp (Product, x_refsource_MISC, Vendor Advisory)
vultures@jpcert.or.jp (x_refsource_MISC, Release Notes, Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20745?: CVE-2021-20745 is a high-severity vulnerability in Inkdrop, classified under OS Command Injection. CVSS score: 7.8/10. Published 2021-06-28.
How severe is CVE-2021-20745?: High severity. CVSS v3 base score is 7.8 out of 10.