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CVE-2019-5619

42
FAUCET Score

CVE-2019-5619 is a critical stack-based buffer overflow vulnerability (CWE-121) affecting AASync.com AASync version 2.2.1.0. This flaw allows for unauthenticated, remote attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 9.8. Exploit code is publicly available via a Metasploit module, and its high EPSS score of 0.65865 suggests a significant likelihood of exploitation. While not on the CISA KEV catalog, the presence of a Metasploit module and community discussion confirms its exploitability.

Impacted Technologies

VendorProductVersion(s)CPE
2.2.1.0CPE matchmatch criteria
cpe:2.3:a:aasync:aasync:2.2.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.72%
Probability of exploitation in next 30 days
EPSS Percentile
90.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: AASync v2.2.1.0 (Win32) Stack Buffer Overflow (LIST) · Oct 12, 2010
This CVE's current EPSS score of 0.0472 is in the 85th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

rapid7.com / db/modules/exploit/windows/ftp/aasync_list_reply
Third Party Advisory