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Fencer Vulns
high 8.4

CVE-2019-20798 json

An XSS issue was discovered in handler_server_info.c in Cherokee through 1.2.104.

published 2020-05-17 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-11335

cvss
8.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

An XSS issue was discovered in handler_server_info.c in Cherokee through 1.2.104. The requested URL is improperly displayed on the About page in the default configuration of the web server and its administrator panel. The XSS in the administrator panel can be used to reconfigure the server and execute arbitrary commands.

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-2019-20798 updated cvss 8.4

cherokee: XSS in the administrator panel

  • Red Hat All currently supported Red Hat products
    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

1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • logicaltrust.net https://logicaltrust.net/blog/2019/11/cherokee.html referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/cherokee/webserver/issues/1227 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.4 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.