CVE-2020-1772 Information Disclosure

What is CVE-2020-1772?

CVE-2020-1772 is a medium-severity vulnerability in Debian Debian Linux, published on 27 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-155

Which versions are affected by CVE-2020-1772?

It affects 4 products.

Products include Debian Debian Linux, Opensuse Backports Sle, Opensuse Leap, Otrs Otrs.

How do I fix CVE-2020-1772?

Upgrade to a fixed version.

Is CVE-2020-1772 being exploited?

There is no known exploitation of CVE-2020-1772 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-1772, GHSA-59rf-fq39-rh6x, UBUNTU-CVE-2020-1772.