Is CVE-2017-4989 actively exploited?

No active exploitation of CVE-2017-4989 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-4989 be exploited remotely?

Yes. CVE-2017-4989 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-4989?

CVE-2017-4989 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2017-4989

CRITICAL

CVE-2017-4989

CWE-287Published: June 21, 2017· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In EMC Avamar Server Software 7.3.1-125, 7.3.0-233, 7.3.0-226, 7.2.1-32, 7.2.1-31, 7.2.0-401, an unauthenticated remote attacker may potentially bypass the authentication process to gain access to the system maintenance page. This may be exploited by an attacker to view sensitive information, perform software updates, or run maintenance workflows.

NVD Source

Technical Analysis

CVE-2017-4989 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.