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CVE-2020-25795

19
FAUCET Score

CVE-2020-25795 is a memory safety issue affecting the sized-chunks crate through version 0.6.2 for Rust, specifically within the Chunk implementation's insert_from function, which can lead to problems upon a panic. This vulnerability carries a CVSS v3.1 score of 7.5 (High), indicating a network-exploitable flaw with low attack complexity that could result in high availability impact. Currently, there is no evidence of active exploitation, no public exploit code available in Metasploit or ExploitDB, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.6.2CPE matchmatch criteria
cpe:2.3:a:sized-chunks_project:sized-chunks:*:*:*:*:*:rust:*:*

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
1.72%
Probability of exploitation in next 30 days
EPSS Percentile
75.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0172 is in the 58th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (4)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 19064-16820Fixed in: 1.47.0-3
microsoftpatch availablevia msrc
Product: cm1 rust 1.47.0-3 on CBL Mariner 1.0Fixed in: 1.47.0-3
rustpatch availablevia ghsa
Product: sized-chunksFixed in: 0.6.3

Vendor Advisories (2)

rustGHSA-x54v-qxxr-93qchigh

Missing release of memory in sized-chunks

Aug 25, 2021
microsoft2020-Sep/CVE-2020-25795Important

An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the Chunk implementation insert_from can have a memory-safety issue upon a panic.

Sep 8, 2020

References

github.com / bodil/sized-chunks/issues/11
ExploitPatchThird Party Advisory
rustsec.org / advisories/RUSTSEC-2020-0041.html
Third Party Advisory