CVE-2008-1501
The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other…
- 5.0MediumCVSS base score
- 5.2%Exploitation in 30 daysEPSS · top 7.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives allows remote attackers to cause a denial of service (daemon crash) via a malformed MODE command.
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
- Snircd 1.3.4 - 'send_user_mode' Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 5306dos, multiplepublished 24 Mar 2008Verified
References tagged exploit1 reference
- 5306 (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
- 16 years later
· 16 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 | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 5.2% · top 7.4% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
15
- undernet-ircu-sendusermode-dos(41401) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 29486 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20080324 ircu/snircd remote crash vulnerability (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- http://hg.quakenet.org/snircd/rev/2da2b881d9f5 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20080324 ircu/snircd remote crash vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- ADV-2008-0977 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 1019687 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 28413 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 43613 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 3779 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- snircd-sendusermode-dos(41397) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 5306 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 1019688 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2008-0978 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 29481 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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-2008-1503 (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-2008-1501)Record last updated .