CVE-2021-3189 json
Open redirect in Slashify
published 2021-02-05 5 y ago modified 2026-06-17 4 mo ago also GHSA-f4hq-453j-p95f , EUVD-2021-0547
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
The slashify package 1.0.0 for Node.js allows open-redirect attacks, as demonstrated by a localhost:3000///example.com/ substring.
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- securitylab.github.com https://securitylab.github.com/advisories/GHSL-2020-199-open-redirect-slashify referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | slashify | <=1.0.0 |
no fix listed |
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
securitylab.github.com
/advisories/GHSL-2020-199-open-redirect-slashify
advisory, exploit, third-party-advisory
-
npmjs.com
/package/slashify
web, product
-
security.netapp.com
/advisory/ntap-20210401-0004/
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-3189
advisory
-
github.com
/divshot/slashify
web
-
security.netapp.com
/advisory/ntap-20210401-0004
web
Sources
- CVE List CVE-2021-3189
- GitHub Advisory GHSA-f4hq-453j-p95f
- NVD CVE-2021-3189
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.