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CVE-2021-45708

25
FAUCET Score

CVE-2021-45708 is a high-severity information leak or ASLR bypass vulnerability affecting the abomonation crate in Rust, stemming from insufficiently constrained transmute operations. With a CVSS score of 7.5, it can be exploited remotely with low attack complexity, potentially leading to significant confidentiality impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.7.3CPE matchmatch criteria
cpe:2.3:a:abomonation_project:abomonation:*:*:*:*:*: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:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 33rd percentile among its peer group of 51,455 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

Vendor Advisories (1)

rustGHSA-5vwc-r48g-wj6chigh

Abomonation transmutes &T to and from &[u8] without sufficient constraints

Jan 6, 2022

References

raw.githubusercontent.com / rustsec/advisory-db/main/crates/abomonation/RUSTSEC-2021-0120.md
Third Party Advisory
rustsec.org / advisories/RUSTSEC-2021-0120.html
Vendor Advisory