CVE-2020-1717

Generation of Error Message Containing Sensitive Information in Keycloak

2.7 Low

A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.78%Up 0.2 points since Apr 14, 2021

What each source reports

NVD Score used 2.7

A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.

Record: CVE-2020-1717
CVSS 3.1: 2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness: CWE-209
Updated: 2026-11-02

CVE List No score

A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.

Record: CVE-2020-1717
Weakness: CWE-209
Updated: 2026-11-02

EUVDEUVD-2022-1183 No score

A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.

Record: EUVD-2022-1183
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rvfc-g8j5-9ccf 2.7

Generation of Error Message Containing Sensitive Information in Keycloak

A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.

Record: GHSA-rvfc-g8j5-9ccf
CVSS 3.1: 2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-209
Updated: 2026-11-02

OSV 2.7

A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.

Record: CVE-2020-1717
CVSS 3.1: 2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVGHSA-rvfc-g8j5-9ccf 2.7

Generation of Error Message Containing Sensitive Information in Keycloak

A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.

Record: GHSA-rvfc-g8j5-9ccf
CVSS 3.1: 2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-209
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.keycloak:keycloak-parent` Maven	through 7.0.1	None known
`org.keycloak:keycloak-parent` Maven	through 7.0.1, plus listed versions 1.0-alpha-11.0-alpha-1-120620131.0-alpha-21.0-alpha-31.0-alpha-4 Show 45 moreShow less 1.0-beta-11.0-beta-1-201505211.0-beta-1-201505231.0-beta-21.0-beta-31.0-beta-41.0-final1.0-rc-11.0-rc-21.0.1.Final1.0.2.Final1.0.3.Final1.0.4.Final1.0.5.Final1.1.0.Beta11.1.0.Beta21.1.0.Final1.1.1.Final1.2.0.Beta11.2.0.CR11.2.0.Final1.3.0.Final1.3.1.Final1.4.0.Final1.5.0-Final1.5.0.Final1.5.1.Final1.6.0.Final1.6.1.Final1.7.0.CR11.7.0.Final1.8.0.Alpha11.8.0.CR11.8.0.CR21.8.0.CR31.8.0.Final1.8.1.Final1.9.0.CR11.9.0.Final1.9.1.Final1.9.2.Final1.9.3.Final1.9.4.Final1.9.5.Final1.9.7.Final	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-1717 is a low vulnerability (CVSS 2.7) in Keycloak, published February 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. No source names a fixed version.

References

This page doesn't list everything

Left out here: 53 versions. The JSON record has them.