The password reset component deployed within Umbraco uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to Umbraco users when so that it points to the attackers server thereby disclosing the password reset token if/when the link is followed. A related vulnerability (CVE-2022-22690) could allow this flaw to become persistent so that all password reset URLs are affected persistently following a successful attack. See the AppCheck advisory for further information and associated caveats.
CVE-2022-22691
This medium-severity CVE scores 6.8 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 40% 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
- 6.8
- EG Score
- 6.8(medium)
- EG Risk
- —
- EPSS
- 59.7%
- KEV
- Not listed
Published
January 18, 2022
Last Modified
November 21, 2024
References (2)
Affected Packages
(1 across 1 ecosystem)
NuGet(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| Umbraco.Cms.Core | 9.0.0 ... 9.2.0-rc (11 versions) | 9.2.0 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 42× 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.
- 2026-07-22 22:55 UTCEG score recompute
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- 2026-05-26 04:38 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-444 · CWE-640
- CVE-2018-3907EG 10.0CRITICAL
- CVE-2019-17565EG 9.8CRITICAL
- CVE-2019-17559EG 9.8CRITICAL
- CVE-2020-10109EG 9.8CRITICAL
- CVE-2020-10108EG 9.8CRITICAL
- CVE-2015-5741EG 9.8CRITICAL
- CVE-2019-15605EG 9.8EPSS 99%CRITICAL
- CVE-2012-5686EG 9.8EPSS 91%CRITICAL
- CVE-2012-5618EG 9.8CRITICAL
- CVE-2019-19844EG 9.8EPSS 98%CRITICAL
Frequently asked(5)
What is CVE-2022-22691?
When was CVE-2022-22691 disclosed?
Is CVE-2022-22691 actively exploited?
What is the CVSS score of CVE-2022-22691?
How do I remediate CVE-2022-22691?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-22691
Is Your Infrastructure Affected by CVE-2022-22691?
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