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CVE-2019-7666

39
FAUCET Score

CVE-2019-7666 affects Prima Systems FlexAir versions 2.3.38 and prior, allowing improper authentication by accepting MD5 password hashes directly. This critical vulnerability has a CVSS score of 8.8 (HIGH) due to its network attack vector, low complexity, and high impact on confidentiality, integrity, and availability. An attacker with database access can log in as an administrator without needing to decrypt the actual password. While not listed in CISA's KEV catalog, an exploit is publicly available on ExploitDB, and it has garnered community discussion and media coverage, indicating awareness of its exploitability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.3.38CPE matchmatch criteria
cpe:2.3:a:primasystems:flexair:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
14.82%
Probability of exploitation in next 30 days
EPSS Percentile
96.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-47644 · Nov 12, 2019
This CVE's current EPSS score of 0.1482 is in the 95th percentile among its peer group of 17,823 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

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/155262/Prima-FlexAir-Access-Control-2.3.35-Database-Backup-Predictable-Name.html
ExploitThird Party AdvisoryVDB Entry
applied-risk.com / labs/advisories
Third Party Advisory
applied-risk.com / resources/ar-2019-007
Third Party Advisory
us-cert.gov / ics/advisories/icsa-19-211-02
Third Party AdvisoryUS Government Resource