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Fencer Vulns
medium 6.1

CVE-2021-43058 json

An open redirect vulnerability exists in Replicated Classic versions prior to 2.53.1 that could lead to spoofing.

published 2021-11-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30011

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

An open redirect vulnerability exists in Replicated Classic versions prior to 2.53.1 that could lead to spoofing. To exploit this vulnerability, an attacker could send a link that has a specially crafted URL and convince the user to click the link, redirecting the user to an untrusted site.

Patch / fix

  • replicated replicated_classic 2.53.1

Exploit prediction

0.58% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

Affected products

  • n/a REPLICATED CLASSIC

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

References

Sources

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.