CVE-2021-45701: linuxfoundation tremor-script Use After Free
CVSS: 9.8v3.1CriticalModified
AliasesGHSA-3pp4-64mp-9cg9CVE-2021-45702GHSA-9qvw-46gf-4fv8GHSA-q2x5-6q7q-r872RUSTSEC-2021-0111
Published 26-12-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-45701 is a critical (CVSS 9.8) Use After Free vulnerability in linuxfoundation tremor-script. EPSS estimates a 1.23% chance of exploitation in the next 30 days, higher than 68.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.23%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in the tremor-script crate before 0.11.6 for Rust. A patch operation may result in a use-after-free.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · Crates.ioEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.23%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
+0.04 pp
From 1.19% on 19-09-2026
19-09-202619-10-2026
EPSS score1.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Crates.Io1 product
- tremor-script≥ 0.7.2, < 0.11.6 | ≥ 0.7.3-0, < 0.11.6
Linuxfoundation1 product
- tremor-script≥ 0.7.2, < 0.11.6
2 vendors · 2 products
References
8 links- raw.githubusercontent.com/rustsec/advisory-db/main/crates/tremor-script/RUSTSEC-2021-0111.mdX Refsource MISCWEBThird Party AdvisoryMitigation
