VulnerabilityModified
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.
HIGH 7.5EPSS 2.05%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.05% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- kopano/groupware core · zarafa/zarafa
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2021/04/01/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/25/1Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/03/19/6Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/01/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/25/1Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/03/19/6Exploit, Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.