CVE-2021-21308

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.85% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 78.7% of scored records. A rank, not a probability.

NVD base score

9.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-02-26 19:50Z5 YR AGO

Last updated

2024-08-03 18:09Z2 YR AGO

Reserved

2020-12-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.1)

CNA CVSS vector

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

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

68939e2c61439073046a54a7d3703579e6edd9e422ec334fcb41e82fa184a742

• github.comhttps://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.2x_refsource_MISC
• github.comhttps://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-557h-hf3c-whcgx_refsource_CONFIRM
• github.comhttps://github.com/PrestaShop/PrestaShop/commit/2f673bd93e313f08c35e74decc105f40dc0b7deex_refsource_MISC