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CVE-1999-1289

ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an...

7.5 High

ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an ICQ packet instead of the public address (e.g. through NAT), which provides remote attackers with potentially sensitive information about the client or the internal network configuration.

Exploit likelihood

1.35%Up 0.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an ICQ packet instead of the public address (e.g. through NAT), which provides remote attackers with potentially sensitive information about the client or the internal network configuration.

Record
CVE-1999-1289
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an ICQ packet instead of the public address (e.g. through NAT), which provides remote attackers with potentially sensitive information about the client or the internal network configuration.

Record
CVE-1999-1289
Updated
2026-11-02
EUVDEUVD-1999-1270 No score

ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an ICQ packet instead of the public address (e.g. through NAT), which provides remote attackers with potentially sensitive information about the client or the internal network configuration.

Record
EUVD-1999-1270
Updated
2026-11-03
GitHub AdvisoriesGHSA-34v6-99gm-vhvc No score

ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an...

ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an ICQ packet instead of the public address (e.g. through NAT), which provides remote attackers with potentially sensitive information about the client or the internal network configuration.

Record
GHSA-34v6-99gm-vhvc
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-1999-1289 is a high vulnerability (CVSS 7.5) in Mirabilis Icq, published November 11, 1998. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. No source names a fixed version.

References

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