CVE-2013-4851
Last modified
CVE-2013-4851 is a vulnerability of currently unknown severity. The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests.. EPSS estimates a 2.14% chance of exploitation in the next 30 days.
Description
The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 8.3 |
| Freebsd | Freebsd | 9.0 |
| Freebsd | Freebsd | 9.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2013-4851?
How severe is CVE-2013-4851?
How do I fix CVE-2013-4851?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2013
- CVE-2013-4842Cross-site scripting (XSS) vulnerability in HP Integrated Li…
- CVE-2013-4843Unspecified vulnerability in HP Integrated Lights-Out 4 (iLO…
- CVE-2013-4844Unspecified vulnerability in HP Service Manager 7.11, 9.21, …
- CVE-2013-4845Cross-site scripting (XSS) vulnerability on HP Officejet Pro…
- CVE-2013-4846Unspecified vulnerability in HP System Management Homepage (…
- CVE-2013-4848TP-Link TL-WDR4300 version 3.13.31 has multiple CSRF vulnera…8.8
- CVE-2013-4852Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.…
- CVE-2013-4854The RFC 5011 implementation in rdata.c in ISC BIND 9.7.x and…
- CVE-2013-4855D-Link DIR-865L has SMB Symlink Traversal due to misconfigur…8.8
- CVE-2013-4856D-Link DIR-865L has Information Disclosure.6.5
- CVE-2013-4857D-Link DIR-865L has PHP File Inclusion in the router xml fil…9.8
- CVE-2013-4858Microsoft Windows Movie Maker 2.1.4026.0 on Windows XP SP3 a…
Are you affected by CVE-2013-4851?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST