Vulnerability Description
ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | < 2.4.49 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 9.0 |
| Netapp | Cloud Backup | - |
| Netapp | Clustered Data Ontap | - |
| Netapp | Storagegrid | - |
| Oracle | Http Server | 12.2.1.3.0 |
| Oracle | Instantis Enterprisetrack | 17.1 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
| Siemens | Sinec Nms | All versions |
| Siemens | Sinema Server | 14.0 |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdfThird Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlRelease NotesVendor Advisory
- https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a14Patch
- https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156Patch
- https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b318Patch
- https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33cPatch
- https://lists.debian.org/debian-lts-announce/2021/10/msg00001.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://security.gentoo.org/glsa/202208-20Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211008-0004/Third Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aThird Party Advisory
- https://www.debian.org/security/2021/dsa-4982Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatchThird Party Advisory
FAQ
What is CVE-2021-39275?
CVE-2021-39275 is a vulnerability with a CVSS score of 9.8 (CRITICAL). ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affec...
How severe is CVE-2021-39275?
CVE-2021-39275 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-39275?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Http Server, Fedoraproject Fedora, Debian Debian Linux, Netapp Cloud Backup, Netapp Clustered Data Ontap.