CVE-2021-21308 json
Improper session management for soft logout
published 5y ago modified 4mo ago also EUVD-2021-8662
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. The problem is fixed in 1.7.7.2
Patch / fix
- prestashop prestashop 1.7.7.2
Is CVE-2021-21308 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.85% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- PrestaShop PrestaShop
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/PrestaShop/PrestaShop/commit/2f673bd93e313f08c35e74decc105f40dc0b7dee
patch, third-party-advisory
-
github.com
/PrestaShop/PrestaShop/releases/tag/1.7.7.2
release-notes, third-party-advisory
-
github.com
/PrestaShop/PrestaShop/security/advisories/GHSA-557h-hf3c-whcg
third-party-advisory
Sources
- CVE List CVE-2021-21308
- NVD CVE-2021-21308
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