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CVE-2018-11173

26
FAUCET Score

CVE-2018-11173 is a critical command injection vulnerability affecting Quest DR Series Disk Backup software prior to version 4.0.3.1. This flaw allows an authenticated attacker to execute arbitrary commands remotely with high impact on confidentiality, integrity, and availability. Despite its high CVSS score of 8.8, there is no public exploit code, Metasploit module, or evidence of active exploitation, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.3.1CPE matchmatch criteria
cpe:2.3:a:quest:disk_backup:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.60%
Probability of exploitation in next 30 days
EPSS Percentile
90.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0460 is in the 90th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/148003/Quest-DR-Series-Disk-Backup-Software-4.0.3-Code-Execution.html
Third Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2018/May/71
Mailing ListThird Party Advisory
coresecurity.com / advisories/quest-dr-series-disk-backup-multiple-vulnerabilities
Technical DescriptionThird Party Advisory