How severe is CVE-1999-1515?

CVE-1999-1515 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-1515 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1515?

CVE-1999-1515 affects Tenfour Tfs Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1515?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-1515 published?

CVE-1999-1515 was published on 1999-08-31 and last updated on 2026-06-16.

CVE-1999-1515

CVE-1999-1515 is a medium-severity vulnerability in Tenfour Tfs Gateway with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tenfour Tfs Gateway
Published: 1999-08-31
Last modified: 2026-06-16

Description

A non-default configuration in TenFour TFS Gateway 4.0 allows an attacker to cause a denial of service via messages with incorrect sender and recipient addresses, which causes the gateway to continuously try to return the message every 10 seconds.

Frequently asked questions

What is CVE-1999-1515?: A non-default configuration in TenFour TFS Gateway 4.0 allows an attacker to cause a denial of service via messages with incorrect sender and recipient addresses, which causes the gateway to continuously try to return the message every 10 seconds.
How severe is CVE-1999-1515?: CVE-1999-1515 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-1515 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1515?: CVE-1999-1515 affects Tenfour Tfs Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1515?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1515 published?: CVE-1999-1515 was published on 1999-08-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:tenfour:tfs_gateway:4.0:*:*:*:*:*:*:*