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-2020-36205

18
FAUCET Score

CVE-2020-36205 describes a soundness issue in the xcb Rust crate, specifically within its base::Error component, affecting xcb_project xcb versions through 2020-12-10. This vulnerability, due to a public ptr field, can lead to use-after-free or double-free conditions. Rated as Medium severity (CVSS 5.5), it requires local access and low privileges, with a high impact on availability but no impact on confidentiality or integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2020-12-10CPE matchmatch criteria
cpe:2.3:a:xcb_project:xcb:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 88th percentile among its peer group of 15,932 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (1)

rustpatch availablevia ghsa
Product: xcbFixed in: 1.0.0

Vendor Advisories (1)

rustGHSA-c8hq-x4mm-p6q6medium

Memory handling issues in xcb

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2020-0097.html
ExploitVendor Advisory