The APOP protocol allows remote attackers to guess the first 3 characters of a password via man-in-the-middle (MITM) attacks that use crafted message IDs and MD5 collisions. NOTE: this design-level issue potentially affects all products that use APOP, including (1) Thunderbird 1.x before 1.5.0.12 and 2.x before 2.0.0.4, (2) Evolution, (3) mutt, (4) fetchmail before 6.3.8, (5) SeaMonkey 1.0.x before 1.0.9 and 1.1.x before 1.1.2, (6) Balsa 2.3.16 and earlier, (7) Mailfilter before 0.8.2, and possibly other products.
Published 2007-04-16 22:19:00
Updated 2018-10-16 16:39:13
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2007-1558

Exploit prediction scoring system (EPSS) score for CVE-2007-1558

8.54%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-1558

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.6
LOW AV:N/AC:H/Au:N/C:P/I:N/A:N
4.9
2.9
NIST

References for CVE-2007-1558

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