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CVE-2013-1841
Net-Server, when the reverse-lookups option is enabled, does not check if the hostname resolves to the source IP address, which might…
- 4.3MediumCVSS base score
- 1.9%Exploitation in 30 daysEPSS · top 20% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Net-Server, when the reverse-lookups option is enabled, does not check if the hostname resolves to the source IP address, which might allow remote attackers to bypass ACL restrictions via the hostname parameter.
Timeline
ID reserved
By redhat
- 16 months later
· 16 months later
Published
- 10 years later
· 10 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 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
5
- https://bugzilla.redhat.com/show_bug.cgi?id=920683 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 58309 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20130304 Reverse lookup issue in Net::Server (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20130311 Re: Reverse lookup issue in Net::Server (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- netserver-cve20131841-security-bypass(82900) (opens in a new tab)vdb-entryx_refsource_XFx_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-2013-1850 (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-2013-1841)Record last updated .