CVE-2020-9588: Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have an observable timing discrepancy…

PriorityP339high7.2CVSS 3.1

AVNACLPRHUINSUCHIHAH

EPSS

2.54%

83.1th percentile

Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
adobe	magento	—	—
magento	community-edition	>= 0 < 2.3.4-p2	2.3.4-p2
magento	core	>= 0 < 1.9.4.5	1.9.4.5
magento	magento	<= 1.9.4.4	—
magento	magento	<= 1.14.4.4	—
magento	magento	2.2.0 – 2.2.11	—
magento	magento	2.3.0 – 2.3.4	—
magento	project-community-edition	0 – 2.0.2	—

CVSS provenance

nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.