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CVE-2020-36450

25
FAUCET Score

CVE-2020-36450 is a high-severity vulnerability affecting the Rust 'bunch' crate, specifically versions through 2020-11-12, due to unconditional implementations of Send and Sync for Bunch<T>. This flaw carries a CVSS score of 8.1, indicating a high potential for impact across confidentiality, integrity, and availability, with a network attack vector and high attack complexity. Despite its severity, there is currently no evidence of active exploitation, no publicly available exploit code in Metasploit, Nuclei, or ExploitDB, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2020-11-12CPE matchmatch criteria
cpe:2.3:a:bunch_project:bunch:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.25%
Probability of exploitation in next 30 days
EPSS Percentile
66.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0125 is in the 27th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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

Vendor Advisories (1)

rustGHSA-jwph-qp5h-f9wjhigh

Data races in bunch

Aug 25, 2021

References

raw.githubusercontent.com / rustsec/advisory-db/main/crates/bunch/RUSTSEC-2020-0130.md
Third Party Advisory
rustsec.org / advisories/RUSTSEC-2020-0130.html
ExploitPatchThird Party Advisory