Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-13126

24
FAUCET Score

CVE-2019-13126 is a high-severity integer overflow vulnerability affecting NATS Server versions prior to 2.0.2, which allows a remote attacker to crash the server through a crafted request, potentially requiring prior authentication. With a CVSS score of 7.5, this vulnerability has a network attack vector and low attack complexity, leading to a complete loss of availability. There is no evidence of active exploitation, nor are there public exploit codes available on platforms like Metasploit or ExploitDB. Furthermore, community discussion and media coverage for this CVE are currently absent.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.2CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*

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:N/I:N/A:H

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

Exploit Intelligence

EPSS Score
1.74%
Probability of exploitation in next 30 days
EPSS Percentile
75.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0174 is in the 58th percentile among its peer group of 51,553 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/nats-io/nats-server/v2Fixed in: 2.2.0

Vendor Advisories (1)

goGHSA-jp4j-47f9-2vc3high

Integer Overflow or Wraparound in NATS Server

May 18, 2021

References

github.com / nats-io/nats-server/pull/1053
PatchThird Party Advisory
twistlock.com / labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126
Broken Link