How severe is CVE-2025-20072?

CVE-2025-20072 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-20072 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20072?

CVE-2025-20072 affects Mattermost Mattermost Mobile. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-20072?

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

Does CVE-2025-20072 have an EU (EUVD) identifier?

Yes. CVE-2025-20072 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2148.

When was CVE-2025-20072 published?

CVE-2025-20072 was published on 2025-01-16 and last updated on 2026-06-17.

CVE-2025-20072

CVE-2025-20072 is a medium-severity vulnerability in Mattermost Mattermost Mobile 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-704.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-2148
Weakness: CWE-704
Affected product: Mattermost Mattermost Mobile
Published: 2025-01-16
Last modified: 2026-06-17

Description

Mattermost Mobile versions <= 2.22.0 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the mobile via crafted malicious input.

Frequently asked questions

What is CVE-2025-20072?: Mattermost Mobile versions <= 2.22.0 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the mobile via crafted malicious input.
How severe is CVE-2025-20072?: CVE-2025-20072 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-20072 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20072?: CVE-2025-20072 affects Mattermost Mattermost Mobile. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-20072?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20072 have an EU (EUVD) identifier?: Yes. CVE-2025-20072 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2148.
When was CVE-2025-20072 published?: CVE-2025-20072 was published on 2025-01-16 and last updated on 2026-06-17.

References

https://mattermost.com/security-updates

Affected products (1)

cpe:2.3:a:mattermost:mattermost_mobile:*:*:*:*:*:*:*:*

More vulnerabilities in Mattermost Mattermost Mobile

CVE-2019-20852 — High (CVSS 7.5): An issue was discovered in Mattermost Mobile Apps before 1.26.0. Local logging is not blocked for sensitive information…
CVE-2020-14451 — High (CVSS 7.5): An issue was discovered in Mattermost Mobile Apps before 1.29.0. The iOS app allowed Single Sign-On cookies and Local…
CVE-2020-14449 — High (CVSS 7.5): An issue was discovered in Mattermost Mobile Apps before 1.30.0. Authorization tokens can sometimes be disclosed to…
CVE-2019-20848 — High (CVSS 7.5): An issue was discovered in Mattermost Mobile Apps before 1.26.0. The Quick Reply feature mishandles crafted replies.
CVE-2025-1558 — Medium (CVSS 6.5): Mattermost Mobile Apps versions <=2.25.0 fail to properly validate GIF images prior to rendering which allows a…
CVE-2025-20630 — Medium (CVSS 6.5): Mattermost Mobile versions <=2.22.0 fail to properly handle posts with attachments containing fields that cannot be…

All CVEs affecting Mattermost Mattermost Mobile →

Other CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities

CVE-2015-3120 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.302 and 14.x through 18.x before 18.0.0.203 on Windows and OS X and before…
CVE-2025-41648 — Critical (CVSS 9.8): An unauthenticated remote attacker can bypass the login to the web application of the affected devices making it…
CVE-2025-41646 — Critical (CVSS 9.8): An unauthorized remote attacker can bypass the authentication of the affected software package by misusing an incorrect…
CVE-2021-33318 — Critical (CVSS 9.8): An Input Validation Vulnerability exists in Joel Christner .NET C# packages WatsonWebserver, IpMatcher 1.0.4.1 and…
CVE-2020-25576 — Critical (CVSS 9.8): An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices…
CVE-2020-6151 — Critical (CVSS 9.8): A memory corruption vulnerability exists in the TIFF handle_COMPRESSION_PACKBITS functionality of Accusoft ImageGear…

Browse all CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities →