What is CVE-2020-7719?

CVE-2020-7719 is a critical-severity vulnerability in Locutus, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2020-09-01.

How severe is CVE-2020-7719?

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

Is CVE-2020-7719 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Prototype Pollution in Locutus

CVE-2020-7719

Versions of package locutus before 2.0.12 are vulnerable to prototype Pollution via the php.strings.parse_str function.

Vulnerability class: Prototype Pollution

EPSS: 0.028 (84.7th 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

Locutus
N/a Locutus — versions 0

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Public proof-of-concept exploits

References

report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)
report@snyk.io (x_refsource_CONFIRM, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-7719?: CVE-2020-7719 is a critical-severity vulnerability in Locutus, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2020-09-01.
How severe is CVE-2020-7719?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-7719 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.