CVE-1999-1557

Imail vulnerability

CVSS

5.0

EPSS

8.4%

EPSS pct

94th

Exploited

No known

Buffer overflow in the login functions in IMAP server (imapd) in Ipswitch IMail 5.0 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via (1) a long user name or (2) a long password.

Affected vendor

Ipswitch

Affected product

Imail

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2005-05-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 8.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-1999-1557

Confirm whether Ipswitch Imail is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-1999-1557.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-1999-1557

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-1999-1557 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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