CVE-2021-41641: deno Link Following
CVSS: 8.4v3.1HighModified
AliasesGHSA-67hm-27mx-9cg7
Published 12-06-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-41641 is a high (CVSS 8.4) Link Following vulnerability in deno. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.7% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
8.4/10
010
High · v3.1 (NVD)EPSS score
0.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference
Timeline
- 12-06-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Deno <=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.4Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:NSourcesAll 2 agree
- OSV · Crates.ioEcosystem advisory · calculated8.4HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Low 3.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% on 20-09-2026
20-09-202620-10-2026
EPSS score0.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundDeno
Maturity: poc
Exploit Reference (hackers.report)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Crates.Io1 product
- deno< 1.16.0
Deno1 product
- deno≥ 1.10.3, ≤ 1.14.0
2 vendors · 2 products
