What is CVE-2021-28994?

CVE-2021-28994 is a high-severity vulnerability in Kopano Groupware Core, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-03-31.

How severe is CVE-2021-28994?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Kopano Groupware Core

CVE-2021-28994

kopano-ical (formerly zarafa-ical) in Kopano Groupware Core through 8.7.16, 9.x through 9.1.0, 10.x through 10.0.7, and 11.x through 11.0.1 and Zarafa 6.30.x through 7.2.x allows memory exhaustion via long HTTP headers.

EPSS: 0.020 (79.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Kopano Groupware_core
Zarafa
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-28994?: CVE-2021-28994 is a high-severity vulnerability in Kopano Groupware Core, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-03-31.
How severe is CVE-2021-28994?: High severity. CVSS v3 base score is 7.5 out of 10.