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CVE-2019-25219

23
FAUCET Score

CVE-2019-25219 describes a vulnerability in the Asio C++ Library prior to version 1.13.0, where it fails to provide a fallback error code when encountering an SSL_ERROR_SYSCALL without specific error details from the SSL library. This high-severity vulnerability (CVSS 7.5) is network-exploitable with low attack complexity, potentially leading to high confidentiality impact. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
N/AN/A
n/aCNA affected

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 17th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Patch Available

Vendor Patches (3)

microsoftpatch availablevia msrc
Product: 17060-16817Fixed in: 1.31.0-1
microsoftpatch availablevia msrc
Product: 17060-17084Fixed in: 1.31.0-1
microsoftpatch availablevia msrc
Product: azl3 asio 1.31.0-1 on Azure Linux 3.0Fixed in: 1.31.0-1

Vendor Advisories (2)

redhatCVE-2019-25219Low

asio: missing fallback error code

Oct 29, 2024
microsoft2024-Oct/CVE-2019-25219Important

Asio C++ Library lacks a fallback error code in the case of SSL_ERROR_SYSCALL

Oct 8, 2024

References

github.com / chriskohlhoff/asio/commit/93337cba7b013150f5aa6194393e1d94be2853ec
github.com / chriskohlhoff/asio/compare/asio-1-12-2...asio-1-13-0
think-async.com / Asio