How severe is CVE-2020-1772?

CVE-2020-1772 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2020-1772 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1772?

CVE-2020-1772 primarily affects Otrs. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1772?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-1772 published?

CVE-2020-1772 was published on 2020-03-27 and last updated on 2026-06-17.

CVE-2020-1772

CVE-2020-1772 is a medium-severity vulnerability in Otrs with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-155.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-155
Affected product: Otrs
Published: 2020-03-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-1772?: 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.
How severe is CVE-2020-1772?: CVE-2020-1772 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2020-1772 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1772?: CVE-2020-1772 primarily affects Otrs. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1772?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1772 published?: CVE-2020-1772 was published on 2020-03-27 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*
cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

More vulnerabilities in Otrs

CVE-2026-48188 — Critical (CVSS 9.1): An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an…
CVE-2013-4717 — High (CVSS 8.8): Multiple SQL injection vulnerabilities in Open Ticket Request System (OTRS) Help Desk 3.0.x before 3.0.22, 3.1.x before…
CVE-2017-17476 — High (CVSS 8.8): Open Ticket Request System (OTRS) 4.0.x before 4.0.28, 5.0.x before 5.0.26, and 6.0.x before 6.0.3, when cookie support…
CVE-2017-16921 — High (CVSS 8.8): In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS 4.0.x up to and including…
CVE-2017-16664 — High (CVSS 8.8): Code injection exists in Kernel/System/Spelling.pm in Open Ticket Request System (OTRS) 5 before 5.0.24, 4 before…
CVE-2017-15864 — High (CVSS 8.8): In the Agent Frontend in Open Ticket Request System (OTRS) 3.3.x through 3.3.18, with a crafted URL it is possible to…

All CVEs affecting Otrs →

Other CWE-155 vulnerabilities

CVE-2025-27515 — Critical (CVSS 9.8): Laravel is a web application framework. When using wildcard validation to validate a given file or image field…
CVE-2025-4232 — High (CVSS 8.8): An improper neutralization of wildcards vulnerability in the log collection feature of Palo Alto Networks…
CVE-2025-11757 — High (CVSS 8.7): The CloudEdge Cloud does not sanitize the MQTT topic input, which could allow an attacker to leverage the MQTT wildcard…
CVE-2024-47791 — High (CVSS 7.5): Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x could allow an attacker to subscribe to partial…
CVE-2025-24376 — Medium (CVSS 6.5): kubewarden-controller is a Kubernetes controller that allows you to dynamically register Kubewarden admission policies.…
CVE-2024-6509 — Medium (CVSS 6.5): Marinus Pfund, member of the AXIS OS Bug Bounty Program, has found the VAPIX API alwaysmulti.cgi was vulnerable for…

Browse all CWE-155 vulnerabilities →