RCE in Horde Groupware

CVE-2020-8518

Horde Groupware Webmail Edition 5.2.22 allows injection of arbitrary PHP code via CSV data, leading to remote code execution.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.717 (99.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
  • cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Mailing List, Vendor Advisory)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-8518?
CVE-2020-8518 is a critical-severity vulnerability in Horde Groupware, classified under Code Injection. CVSS score: 9.8/10. Published 2020-02-17.
How severe is CVE-2020-8518?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-8518 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.