CVE-2021-40438: mod_proxy SSRF
Apache Software Foundation · Apache HTTP Server
Vendor fix available · Affected: Apache Software Foundation Apache HTTP Server · Exploitation: in CISA KEV since 1 Dec 2021
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
ExploitationIn CISA KEV
- In CISA KEVCISA KEV catalogue1 Dec 2021
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not established: not seen
Higher than 99% of scored CVEs
DescriptionCVE.org
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Apache Software Foundation · Apache HTTP Serverfrom Apache HTTP Server 2.4 up to and including 2.4.48
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
- CISA KEV
- Listed since 1 Dec 2021 · known ransomware use · catalogue entry
- Public check
- Apache <= 2.4.48 Mod_Proxy - Server-Side Request Forgery · nuclei template in projectdiscovery/nuclei-templates
- Weakness
- Server-Side Request Forgery
- Published
- September 2021
What changed
CoverageNo articles yet
No CyberSIXT article names CVE-2021-40438 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CISA KEV cataloguecisa.gov
- CVE recordcve.org
- Weakness CWE-918cwe.mitre.org
- Vendor advisorylists.fedoraproject.org
- Vendor advisorylists.fedoraproject.org
- Vendor advisorydebian.org
- Vendor advisorytools.cisco.com
- Vendor advisorysecurity.gentoo.org
- httpd.apache.org/security/vulnerabilities_24.htmlhttpd.apache.org
- oracle.com/security-alerts/cpujan2022.htmloracle.com
- tenable.com/security/tns-2021-17tenable.com
- security.netapp.com/advisory/ntap-20211008-0004security.netapp.com
- oracle.com/security-alerts/cpuapr2022.htmloracle.com
- cert-portal.siemens.com/productcert/pdf/ssa-685781.pdfcert-portal.siemens.com
8 more references are in the CVE record.