VDB
RHSA-2021%3A3425
RHSA-2021%3A3425
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat support for Spring Boot 2.3.10 |
Timeline
- Sep 9, 2021 CVE Published
- May 1, 2026 Distribution Patch
- May 1, 2026 Distribution Patch
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 14, 2026 CVE Updated
References
- https://access.redhat.com/errata/RHSA-2021:3425 advisory
- https://access.redhat.com/security/updates/classification/#important advisory
- https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=distributions&product=catRhoar.spring.boot&version=2.3.10 advisory
- https://access.redhat.com/documentation/en-us/red_hat_support_for_spring_boot/2.3/html/release_notes_for_spring_boot_2.3/index advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1901304 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=1917209 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=1934032 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=1934061 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299 issue
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3425.json advisory
- https://access.redhat.com/security/cve/CVE-2020-27782 advisory
- https://www.cve.org/CVERecord?id=CVE-2020-27782 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-27782 advisory
- https://access.redhat.com/security/cve/CVE-2021-3690 advisory
- https://www.cve.org/CVERecord?id=CVE-2021-3690 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-3690 advisory
- https://access.redhat.com/security/cve/CVE-2021-24122 advisory
- https://www.cve.org/CVERecord?id=CVE-2021-24122 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-24122 advisory
- http://mail-archives.apache.org/mod_mbox/tomcat-announce/202101.mbox/%3Cf3765f21-969d-7f21-e34a-efc106175373%40apache.org%3E advisory
…and 15 more