HOMEVULNERABILITIESCVE-2018-18541
HIGH

CVE-2018-18541

CWE-20Published: October 20, 2018· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

In Teeworlds before 0.6.5, connection packets could be forged. There was no challenge-response involved in the connection build up. A remote attacker could send connection packets from a spoofed IP address and occupy all server slots, or even use them for a reflection attack using map download packets.

NVD Source

Technical Analysis

CVE-2018-18541 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
teeworlds1 product(s)
teeworlds
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://bugs.debian.org/911487
PATCHhttps://github.com/teeworlds/teeworlds/issues/1536
PATCHhttps://bugs.debian.org/911487
PATCHhttps://github.com/teeworlds/teeworlds/issues/1536
ADVISORYhttps://teeworlds.com/?page=news&id=12544
ADVISORYhttps://www.debian.org/security/2018/dsa-4329
ADVISORYhttps://teeworlds.com/?page=news&id=12544
ADVISORYhttps://www.debian.org/security/2018/dsa-4329

All References (12)

→
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00046.html
→
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00077.html
→
https://bugs.debian.org/911487Mailing List · Patch · Third Party Advisory
→
https://github.com/teeworlds/teeworlds/issues/1536Patch · Vendor Advisory
→
https://teeworlds.com/?page=news&id=12544Vendor Advisory
→
https://www.debian.org/security/2018/dsa-4329Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00046.html
→
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00077.html
→
https://bugs.debian.org/911487Mailing List · Patch · Third Party Advisory
→
https://github.com/teeworlds/teeworlds/issues/1536Patch · Vendor Advisory
→
https://teeworlds.com/?page=news&id=12544Vendor Advisory
→
https://www.debian.org/security/2018/dsa-4329Third Party Advisory

Quick Facts

CVE IDCVE-2018-18541
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected2 vendor(s)
PublishedOct 20, 2018

Related CVEs (CWE-20)

CVE-2009-1669
10.0
CVE-2008-3362
10.0
CVE-2009-0545
10.0
CVE-2013-1710
10.0
CVE-2008-4329
10.0
CVE-2010-0270
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-18541 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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