CVE-1999-0920

Imap vulnerability

CVSS

10.0

EPSS

32.4%

EPSS pct

98th

Exploited

No known

Buffer overflow in the pop-2d POP daemon in the IMAP package allows remote attackers to gain privileges via the FOLD command.

Affected vendor

University Of Washington

Affected product

Imap

CVSS vector

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

Published

1999-05-26

Risk analysis

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

Its EPSS score of 32.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-1999-0920

Confirm whether University Of Washington Imap is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-1999-0920.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-1999-0920

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-1999-0920 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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