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CVE Record

CVE-1999-1557: Buffer overflow in the login functions in IMAP server (imapd) in Ipswitch IMail 5.0 and earlier allows remo...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-1999-1557 affects the IMAP service in Ipswitch IMail 5.0 and earlier. A remote user could crash the mail service, and the CVE says arbitrary code execution may be possible. This is mainly urgent for organizations still running very old IMail servers exposed to untrusted networks. Exposure is likely limited to legacy Ipswitch IMail 5.0 or earlier installations with IMAP enabled, especially if reachable from the internet. Modern environments are unlikely to be affected unless old mail infrastructure remains in service. Treat as high priority only if legacy IMail is present. If no IMail 5.0 or earlier systems exist, document non-exposure and close. If present and exposed, prioritize retirement, isolation, or vendor-supported upgrade. Mitigation focus: Identify and retire Ipswitch IMail 5.0 or earlier where possible.; Check vendor or maintainer guidance for the fixed upgrade path.; Restrict IMAP exposure for any legacy host that cannot be retired..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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CVE-1999-1557 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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