What is CVE-2020-18440?

CVE-2020-18440 is a critical-severity vulnerability in Phpok, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-11-02.

How severe is CVE-2020-18440?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Phpok

CVE-2020-18440

Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to execute arbitrary code.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Phpok — versions 5.1
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-18440?: CVE-2020-18440 is a critical-severity vulnerability in Phpok, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-11-02.
How severe is CVE-2020-18440?: Critical severity. CVSS v3 base score is 9.8 out of 10.