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Fencer Vulns
medium 6.5

CVE-2020-17520 json

In the Pulsar manager 0.1.0 version, malicious users will be able to bypass pulsar-manager's admin, permission verification mechanism by co…

published 2020-12-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-9461

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

In the Pulsar manager 0.1.0 version, malicious users will be able to bypass pulsar-manager's admin, permission verification mechanism by constructing special URLs, thereby accessing any HTTP API.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-17520 updated cvss 9.1

apache-pulsar: information disclosure via special URLs

  • Red Hat Fuse 7 camel-pulsar camel-pulsar Red Hat Integration Camel K 1 apache-pulsar apache-pulsar
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • n/a Pulsar Manager

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.