CVE-2021-21876

Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.

CVSS v3.1

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v3.0

9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

2.69% chance of exploitation in the next 30 days, 85th percentile

Published

2021-12-22

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315

References

• CVE Record
• NVD entry

Related

• CVE-2021-21875
• CVE-2021-21877
• CVE-2021-21874
• CVE-2021-21878
• CVE-2021-21873
• CVE-2021-21879