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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.020 (80.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2021/03/19/6 (Exploit, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/04/01/1 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/04/25/1 (mailing-list, 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.