CVE-2022-30287
Horde Groupware Webmail Edition through 5.2.22 allows a reflection injection attack through which an attacker can instantiate a driver class.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 69.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Horde Groupware Webmail Edition through 5.2.22 allows a reflection injection attack through which an attacker can instantiate a driver class. This then leads to arbitrary deserialization of PHP objects.
- CVSS 3.1
- 8.0 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 69.41% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-470, CWE-502
- Affected
- horde/groupware · debian/debian linux
- Source
- cve@mitre.org
EPSS moved from 69.4% on 14 October 2026 to 69.4% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://blog.sonarsource.com/horde-webmail-rce-via-email/Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/08/msg00022.htmlMailing List, Third Party Advisory
- https://www.horde.org/apps/webmailRelease Notes, Vendor Advisory
- https://blog.sonarsource.com/horde-webmail-rce-via-email/Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/08/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/10/msg00014.html
- https://www.horde.org/apps/webmailRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.