CVE-2018-18065
_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated…
- 6.5MediumCVSS base score
- 17.5%Exploitation in 30 daysEPSS · top 2.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- net-snmp 5.7.3 - (Authenticated) Denial of Service (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 45547dos, linuxpublished 8 Oct 2018Not verified
References tagged exploit1 reference
- 45547 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 17.5% · top 2.8% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
n/a
- affected n/a
References
References12
- https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/ (opens in a new tab)x_refsource_MISCx_transferred
- 45547 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- USN-3792-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://dumpco.re/blog/net-snmp-5.7.3-remote-dos (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20181107-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3792-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3792-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-4314 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 106265 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (opens in a new tab)x_refsource_MISCx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-978220.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.paloaltonetworks.com/CVE-2018-18065 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-9804 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-18065)Record last updated .