Search/CVE-2021-40110
● CVE — High

CVE-2021-40110

VendorapacheProductjamesDiscoveredJan 4, 2022UpdatedNov 21, 2024

In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking.

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CVSS v3.1
7.5 HIGH
EPSS
2.95%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 29, 2026
▲ 0.09pp
2.86% → 2.95% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
1 relationships
Timeline
disclosure → media coverage
Jan 4, 2022
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024