CVE-2021-21339

unknown
Published 2021-03-23 · Modified 2026-03-13
CVSS v3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v2
VIR risk

Description

Cleartext storage of session identifier

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

EcosystemPackageVulnerableFixed
php Packagisttypo3/cms-core>=6.2.0,<6.2.576.2.57
php Packagisttypo3/cms-core>=7.0.0,<7.6.517.6.51
php Packagisttypo3/cms-core>=8.0.0,<8.7.408.7.40
php Packagisttypo3/cms-core>=10.0.0,<10.4.1410.4.14
php Packagisttypo3/cms-core>=11.0.0,<11.1.111.1.1
php Packagisttypo3/cms-core>=9.0.0,<9.5.259.5.25
php Packagisttypo3/cms>=10.0.0,<10.4.1410.4.14
php Packagisttypo3/cms>=11.0.0,<11.1.111.1.1
php Packagisttypo3/cms>=9.0.0,<9.5.259.5.25

References

Verify integrity in audit chain (admin only). AS-IS.