CVE-2021-3664: unshiftio unshiftio/url-parse Open Redirect
CVSS: 5.3v3.0MediumModified
AliasesUBUNTU-CVE-2021-3664DEBIAN-CVE-2021-3664GHSA-hh27-ffr2-f2jc
Published 26-07-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3664 is a medium (CVSS 5.3) Open Redirect vulnerability in unshiftio unshiftio/url-parse. EPSS estimates a 2.12% chance of exploitation in the next 30 days, higher than 81.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.3/10
010
Medium · v3.0 (CVE.org)EPSS score
2.12%
0%100%
Low · +0.28 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 26-07-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
url-parse is vulnerable to URL Redirection to Untrusted Site
CVSS metrics
8 scores · 5 sources · 3 versionsMedium 5.3Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSources4 sources · 5.3–6.1
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- OSV · NpmEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Medium 5.3Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- NVDNIST5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
2.12%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
+0.28 pp
From 1.83% on 18-09-2026
18-09-202618-10-2026
EPSS score2.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (huntr.dev)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- node-url-parse< 1.5.3-1
Npm1 product
- url-parse≥ 0.1.0, < 1.5.2
Ubuntu1 product
- node-url-parse< 1.0.5-2ubuntu0.1~esm2 | < 1.2.0-1ubuntu0.1 | < 1.4.7-3ubuntu0.1
Unshiftio1 product
- unshiftio/url-parse≥ unspecified, ≤ 1.5.1
Url-parse_project1 product
- url-parse< 1.5.2
5 vendors · 5 products
References
13 links- github.com/unshiftio/url-parse/commit/81ab967889b08112d3356e451bf03e6aa0cbb7e0REPORTWEBPatchThird Party Advisory
