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-2023-38283

18
FAUCET Score

CVE-2023-38283 is a medium-severity vulnerability affecting OpenBGPD before version 8.1, including OpenBSD 7.3. It involves incorrect handling of BGP update data, specifically the length of path attributes, which can be manipulated by a remote attacker. This flaw can lead to an incorrect session reset, causing a denial of service. While there is no public exploit code or evidence of active exploitation, its potential for prolonged internet outages has garnered media attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.1CPE matchmatch criteria
cpe:2.3:a:openbgpd:openbgpd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.12%
Probability of exploitation in next 30 days
EPSS Percentile
62.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0112 is in the 40th percentile among its peer group of 23,705 CVEs.

Social Chatter

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

Media Mentions

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

Remediation

Remediation records are not available for this CVE.

References

blog.benjojo.co.uk / post/bgp-path-attributes-grave-error-handling
ExploitThird Party Advisory
ftp.openbsd.org / pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig
Patch
github.com / openbgpd-portable/openbgpd-portable/releases/tag/8.1
Release Notes
news.ycombinator.com / item
Mailing List
openbsd.org / errata73.html
Release Notes