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CVE-2021-29934

23
FAUCET Score

CVE-2021-29934 is a high-severity vulnerability affecting the PartialReader component in the uu_od Rust crate prior to version 0.0.4. It allows attackers to read uninitialized memory locations through a user-provided Read operation, impacting the uu_od_project. With a CVSS score of 7.3, this vulnerability has a low attack complexity and can lead to low impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.0.4CPE matchmatch criteria
cpe:2.3:a:uu_od_project:uu_od:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
56.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 31st percentile among its peer group of 51,506 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 (1)

rustpatch availablevia ghsa
Product: uu_odFixed in: 0.0.4

Vendor Advisories (1)

rustGHSA-w9vv-q986-vj7xhigh

Out of bounds read in uu_od

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2021-0043.html
ExploitVendor Advisory