Is CVE-2008-5421 being actively exploited?

CVE-2008-5421 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-5421?

CVE-2008-5421 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2008-5421

MEDIUM · CVSS 5.0EPSS 1.4%EU EUVD

The SSL web administration service in NetWin SmsGate 1.1n and earlier allows remote attackers to cause a denial of service (hang) via (1) a large integer in the Content-Length HTTP header; (2) an invalid value in the Content-Length HTTP header, as demonstrated by a negative integer; or (3) a missing Content-Length HTTP header.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-399
EPSS score: 1.4% (73th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-5398)
Published: December 11, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-5398 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

netwin / smsgate
netwin / smsgate
netwin / smsgate
netwin / smsgate
netwin / smsgate
netwin / smsgate
netwin / smsgate

References

http://aluigi.altervista.org/adv/smsgheit-adv.txt(Exploit)
http://secunia.com/advisories/29149(Vendor Advisory)
http://www.securityfocus.com/bid/28048

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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