TI-1999-01504 Aliases CVE-1999-1557 GHSA-5fwq-v23g-x73p

Buffer overflow in the login functions in IMAP server (imapd) in Ipswitch IMail 5.0 and…

LOW 34Published 2001-09-12 · Updated 2024-08-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.08441 95th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ipswitch:imail::::::::	up to 5.0	Vulnerable	Ipswitch

cpe:2.3:a:ipswitch:imail:*:*:*:*:*:*:*:* Versions up to 5.0 Vulnerable ·Ipswitch

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-1999-1557
2026-10-03 Alias added: GHSA-5fwq-v23g-x73p
2026-10-24 EPSS moved to the 95th–99th percentile
2026-10-25 EPSS moved to the 90th–95th percentile
2026-10-31 EPSS moved to the 95th–99th percentile

References

Other 1

19990301 Multiple IMail Vulnerabilites

TI-2004-00266 Buffer overflow in the Lightweight Directory Access Protocol (LDAP) daemon (iLDAP.exe… CVSS 2.0HIGH 10.0
TI-2005-01189 Stack-based buffer overflow in the IMAP daemon (IMAPD32.EXE) in IMail 8.13 in Ipswitch… CVSS 2.0HIGH 10.0
TI-2005-01188 Multiple stack-based buffer overflows in the IMAP server in IMail 8.12 and 8.13 in… CVSS 2.0HIGH 10.0
TI-2004-01396 Stack-based buffer overflow in IPSwitch IMail 8.13 allows remote authenticated users to… CVSS 2.0MEDIUM 4.6
TI-1999-01498 Buffer overflow in Ipswitch IMail Service 5.0 allows an attacker to cause a denial of… CVSS 2.0MEDIUM 5.0
TI-2007-02705 Multiple buffer overflows in Ipswitch IMail before 2006.21 allow remote attackers or… CVSS 2.0HIGH 9.0

See all 37 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences