VDB
RHSA-2021%3A3745
RHSA-2021%3A3745
PUBLISHED
CVSS 9 CRITICAL
A Server-Side Request Forgery (SSRF) flaw was found in mod_proxy of httpd. This flaw allows a remote, unauthenticated attacker to make the httpd server forward requests to an arbitrary server. The attacker could get, modify, or delete resources on other services that may be behind a firewall and inaccessible otherwise. The impact of this flaw varies based on what services and resources are available on the httpd network.
Risk Scores
CVSS 3.1
9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Text-Only JBCS |
Timeline
- Oct 7, 2021 CVE Published
- Mar 18, 2026 CVE Updated
- May 1, 2026 Distribution Patch
- May 1, 2026 Distribution Patch
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2021:3745 advisory
- https://access.redhat.com/security/updates/classification/#important advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2005117 issue
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3745.json advisory
- https://access.redhat.com/security/cve/CVE-2021-40438 advisory
- https://www.cve.org/CVERecord?id=CVE-2021-40438 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-40438 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog exploit