SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-1033

Microsoft Outlook Express before 4.72.3612.1700 allows a malicious user to send a message that contains a .., which can inadvertently cause Outlook to re-enter POP3 command mode and cause the POP3 session to hang.

MEDIUM 5.0EPSS 17.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 17.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft Outlook Express before 4.72.3612.1700 allows a malicious user to send a message that contains a .., which can inadvertently cause Outlook to re-enter POP3 command mode and cause the POP3 session to hang.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
17.50% probability · 97th percentile
CISA KEV
Not listed
Affected
microsoft/outlook express
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.