Nextcloud mail is a Mail app for the Nextcloud home server product. Versions of Nextcloud mail prior to 1.12.2 were found to be missing user account ownership checks when performing tasks related to mail attachments. Attachments may have been exposed to incorrect system users. It is recommended that the Nextcloud Mail app is upgraded to 1.12.2. There are no known workarounds for this issue. ### Workarounds No workaround available ### References * Pull request * HackerOne ### For more information If you have any questions or comments about this advisory: * Create a post in nextcloud/security-advisories * Customers: Open a support ticket at support.nextcloud.com
CVE-2022-31131
This medium-severity CVE scores 5.4 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 50% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.4
- EG Score
- 5.4(medium)
- EG Risk
- 40(Track)EG Risk 40/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity54% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 50.8%
- KEV
- Not listed
Published
July 6, 2022
Last Modified
November 21, 2024
References (6)
- security-advisories@githubhttps://github.com/nextcloud/mail/pull/6600
- security-advisories@githubhttps://github.com/nextcloud/mail/pull/6600/commits/6dd2527be8d4f6788b449c8a8f5577628b990605
- security-advisories@githubhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhv7-5mhv-299j
- af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/mail/pull/6600
- af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/mail/pull/6600/commits/6dd2527be8d4f6788b449c8a8f5577628b990605
- af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhv7-5mhv-299j
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 16× in last 7d / 52× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 113 total refreshes for this CVE.
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Frequently asked(5)
What is CVE-2022-31131?
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Is CVE-2022-31131 actively exploited?
What is the CVSS score of CVE-2022-31131?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2022-31131
Is Your Infrastructure Affected by CVE-2022-31131?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.