Arbitrary file upload in EMC Avamar Server

CVE-2017-4990

In EMC Avamar Server Software 7.4.1-58, 7.4.0-242, 7.3.1-125, 7.3.0-233, 7.3.0-226, an unauthorized attacker may leverage the file upload feature of the system maintenance page to load a maliciously crafted file to any directory which could allow the attacker to execute arbitrary code on the Avamar Server system.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.030 (87.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-4990: held from 0.030 to 0.030.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

  • EMC Avamar Server — versions 7.3.0-226, 7.3.0-233, 7.3.1-125
  • EMC Avamar Server Software 7.4.1-58, 7.4.0-242, 7.3.1-125, 7.3.0-233, 7.3.0-226 — versions EMC Avamar Server Software 7.4.1-58, 7.4.0-242, 7.3.1-125, 7.3.0-233, 7.3.0-226

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-4990?
CVE-2017-4990 is a critical-severity vulnerability in EMC Avamar Server, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2017-06-21.
How severe is CVE-2017-4990?
Critical severity. CVSS v3 base score is 9.8 out of 10.