Skip to content
Fencer Vulns
medium 6.1

CVE-2020-1721 json

A flaw was found in the Key Recovery Authority (KRA) Agent Service in pki-core 10.10.5 where it did not properly sanitize the recovery ID d…

published 2021-04-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12572

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

A flaw was found in the Key Recovery Authority (KRA) Agent Service in pki-core 10.10.5 where it did not properly sanitize the recovery ID during a key recovery request, enabling a reflected cross-site scripting (XSS) vulnerability. An attacker could trick an authenticated victim into executing specially crafted Javascript code.

Patch / fix

  • dogtag-pki Debian 11 10.9.1-1

debian advisories DEBIAN-CVE-2020-1721

  • jss RHEL 8 4.7.3-1.module+el8.3.0+8058+d5cd4219
  • xsom RHEL 8 0-19.20110809svn.module+el8.1.0+3366+6dfb954c
  • slf4j RHEL 8 1.7.25-4.module+el8.1.0+3366+6dfb954c
  • pki-ca RHEL 8 10.9.4-1.module+el8.3.0+8058+d5cd4219
  • ldapjdk RHEL 8 4.22.0-1.module+el8.3.0+6784+6e1e4c62
  • pki-kra RHEL 8 10.9.4-1.module+el8.3.0+8058+d5cd4219
  • stax-ex RHEL 8 1.7.7-8.module+el8.2.0+5723+4574fbff
  • bea-stax RHEL 8 1.2.0-16.module+el8.1.0+3366+6dfb954c

red hat advisories RHSA-2020:4847RHSA-2021:0975RHSA-2021:0851RHSA-2021:0819

  • xsom Rocky Linux 8 0-19.20110809svn.module+el8.3.0+53+ea062990
  • slf4j Rocky Linux 8 1.7.25-4.module+el8.5.0+697+f586bb30
  • slf4j Rocky Linux 8 1.7.25-4.module+el8.3.0+74+855e3f5d
  • slf4j Rocky Linux 8 1.7.25-4.module+el8.3.0+133+b8b54b58
  • ldapjdk Rocky Linux 8 4.22.0-1.module+el8.4.0+418+b7ae1d4a
  • stax-ex Rocky Linux 8 1.7.7-8.module+el8.3.0+53+ea062990
  • bea-stax Rocky Linux 8 1.2.0-16.module+el8.3.0+53+ea062990
  • resteasy Rocky Linux 8 3.0.26-3.module+el8.3.0+53+ea062990

rocky linux advisories RLSA-2020:4847

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-2020-1721 updated cvss 4.3

pki-core: KRA vulnerable to reflected XSS via the getPk12 page

  • Red Hat Enterprise Linux AppStream (v. 8) jss 4.7.3-1.module+el8.3.0+8058+d5cd4219, slf4j 1.7.25-4.module+el8.1.0+3366+6dfb954c, pki-ca 10.9.4-1.module+el8.3.0+8058+d5cd4219, stax-ex 1.7.7-8.module+el8.2.0+5723+4574fbff, velocity 1.7-24.module+el8.1.0+3366+6dfb954c, ldapjdk 4.22.0-1.module+el8.3.0+6784+6e1e4c62, +44 more
    fixed: vendor fix RHSA-2020:4847
  • Red Hat Enterprise Linux Client Optional (v. 7) pki-ca 10.5.18-12.el7_9, pki-kra 10.5.18-12.el7_9, pki-base 10.5.18-12.el7_9, pki-core 10.5.18-12.el7_9, pki-tools 10.5.18-12.el7_9, pki-server 10.5.18-12.el7_9, +3 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) pki-ca 10.5.18-12.el7_9, pki-kra 10.5.18-12.el7_9, pki-base 10.5.18-12.el7_9, pki-core 10.5.18-12.el7_9, pki-tools 10.5.18-12.el7_9, pki-server 10.5.18-12.el7_9, +3 more
    fixed: vendor fix RHSA-2021:0851
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) pki-ca 10.5.9-15.el7_6, pki-kra 10.5.9-15.el7_6, pki-base 10.5.9-15.el7_6, pki-core 10.5.9-15.el7_6, pki-tools 10.5.9-15.el7_6, pki-server 10.5.9-15.el7_6, +3 more
    fixed: vendor fix RHSA-2021:0819
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) pki-ca 10.5.16-7.el7_7, pki-kra 10.5.16-7.el7_7, pki-base 10.5.16-7.el7_7, pki-core 10.5.16-7.el7_7, pki-tools 10.5.16-7.el7_7, pki-server 10.5.16-7.el7_7, +3 more
    fixed: vendor fix RHSA-2021:0975
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) pki-ca 10.5.9-15.el7_6, pki-base 10.5.9-15.el7_6, pki-core 10.5.9-15.el7_6, pki-tools 10.5.9-15.el7_6, pki-server 10.5.9-15.el7_6, pki-base-java 10.5.9-15.el7_6 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) pki-ca 10.5.9-15.el7_6, pki-kra 10.5.9-15.el7_6, pki-base 10.5.9-15.el7_6, pki-core 10.5.9-15.el7_6, pki-tools 10.5.9-15.el7_6, pki-server 10.5.9-15.el7_6, +3 more
    fixed: vendor fix RHSA-2021:0819
  • Red Hat Enterprise Linux Server (v. 7) pki-ca 10.5.18-12.el7_9, pki-kra 10.5.18-12.el7_9, pki-base 10.5.18-12.el7_9, pki-core 10.5.18-12.el7_9, pki-tools 10.5.18-12.el7_9, pki-server 10.5.18-12.el7_9, +2 more
    fixed: vendor fix RHSA-2021:0851
  • Red Hat Enterprise Linux Server EUS (v. 7.6) pki-ca 10.5.9-15.el7_6, pki-kra 10.5.9-15.el7_6, pki-base 10.5.9-15.el7_6, pki-core 10.5.9-15.el7_6, pki-tools 10.5.9-15.el7_6, pki-server 10.5.9-15.el7_6, +2 more
    fixed: vendor fix RHSA-2021:0819
  • Red Hat Enterprise Linux Server EUS (v. 7.7) pki-ca 10.5.16-7.el7_7, pki-kra 10.5.16-7.el7_7, pki-base 10.5.16-7.el7_7, pki-core 10.5.16-7.el7_7, pki-tools 10.5.16-7.el7_7, pki-server 10.5.16-7.el7_7, +2 more
    fixed: vendor fix RHSA-2021:0975
show 4 more
  • Red Hat Enterprise Linux Server Optional (v. 7) pki-ca 10.5.18-12.el7_9, pki-kra 10.5.18-12.el7_9, pki-base 10.5.18-12.el7_9, pki-core 10.5.18-12.el7_9, pki-tools 10.5.18-12.el7_9, pki-server 10.5.18-12.el7_9, +3 more
    fixed: vendor fix RHSA-2021:0851
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.6) pki-ca 10.5.9-15.el7_6, pki-kra 10.5.9-15.el7_6, pki-base 10.5.9-15.el7_6, pki-core 10.5.9-15.el7_6, pki-tools 10.5.9-15.el7_6, pki-server 10.5.9-15.el7_6, +3 more
    fixed: vendor fix RHSA-2021:0819
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.7) pki-ca 10.5.16-7.el7_7, pki-kra 10.5.16-7.el7_7, pki-base 10.5.16-7.el7_7, pki-core 10.5.16-7.el7_7, pki-tools 10.5.16-7.el7_7, pki-server 10.5.16-7.el7_7, +3 more
    fixed: vendor fix RHSA-2021:0975
  • Red Hat Enterprise Linux Workstation (v. 7) pki-ca 10.5.18-12.el7_9, pki-kra 10.5.18-12.el7_9, pki-base 10.5.18-12.el7_9, pki-core 10.5.18-12.el7_9, pki-tools 10.5.18-12.el7_9, pki-server 10.5.18-12.el7_9, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) pki-javadoc 10.5.18-12.el7_9
    fixed: vendor fix RHSA-2021:0851

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

0.98% chance of exploitation in the next 30 days, higher than 62% 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 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • n/a pki-core

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.