CVE-2020-1772

Name: CVE-2020-1772
Creator: NVD / NIST
Published: 2020-03-27T13:15:15.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.62%

Last modified Jun 17, 2026

CVE-2020-1772 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. It's possible to craft Lost Password requests with wildcards in the Token value, which allows attacker to retrieve valid Token(s), generated by users which already requested new passwords. This issue affects: ((OTRS)) Community Edition 5.0.41 and prior versions, 6.0.26 and prior versions. EPSS estimates a 1.62% chance of exploitation in the next 30 days.

Description

It's possible to craft Lost Password requests with wildcards in the Token value, which allows attacker to retrieve valid Token(s), generated by users which already requested new passwords. This issue affects: ((OTRS)) Community Edition 5.0.41 and prior versions, 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.62%

73.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-155

Affected Software

Vendor	Product	Versions
Otrs	Otrs	>= 5.0.0, <= 5.0.41
Otrs	Otrs	>= 6.0.0, <= 6.0.26
Otrs	Otrs	>= 7.0.0, <= 7.0.15
Opensuse	Backports Sle	15.0
Opensuse	Leap	15.1
Opensuse	Leap	15.2
Debian	Debian Linux	8.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00000.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2020-09/Patch, Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00000.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2020-09/Patch, Vendor Advisory

Timeline

Published: Mar 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1772?

How severe is CVE-2020-1772?

CVE-2020-1772 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1772?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1772?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST