How severe is CVE-1999-1366?

CVE-1999-1366 has a CVSS 2.0 base score of 3.6, rated low severity.

Is CVE-1999-1366 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1366?

CVE-1999-1366 affects David Harris Pegasus Mail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1366?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-1366 published?

CVE-1999-1366 was published on 1999-05-15 and last updated on 2026-06-16.

CVE-1999-1366

CVE-1999-1366 is a low-severity vulnerability in David Harris Pegasus Mail with a CVSS 2.0 base score of 3.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 3.6)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: David Harris Pegasus Mail
Published: 1999-05-15
Last modified: 2026-06-16

Description

Pegasus e-mail client 3.0 and earlier uses weak encryption to store POP3 passwords in the pmail.ini file, which allows local users to easily decrypt the passwords and read e-mail.

Frequently asked questions

What is CVE-1999-1366?: Pegasus e-mail client 3.0 and earlier uses weak encryption to store POP3 passwords in the pmail.ini file, which allows local users to easily decrypt the passwords and read e-mail.
How severe is CVE-1999-1366?: CVE-1999-1366 has a CVSS 2.0 base score of 3.6, rated low severity.
Is CVE-1999-1366 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1366?: CVE-1999-1366 affects David Harris Pegasus Mail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1366?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1366 published?: CVE-1999-1366 was published on 1999-05-15 and last updated on 2026-06-16.

References

http://marc.info/?l=bugtraq&m=92714118829880&w=2

Affected products (1)

cpe:2.3:a:david_harris:pegasus_mail:*:*:*:*:*:*:*:*

More vulnerabilities in David Harris Pegasus Mail

CVE-2002-1075 — High (CVSS 7.5): Buffer overflow in Pegasus mail client 4.01 and earlier allows remote attackers to cause a denial of service (crash)…
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CVE-2005-4444 — Medium (CVSS 5.1): Stack-based buffer overflow in the trace message functionality in Pegasus Mail 4.21a through 4.21c and 4.30PB1 allow…
CVE-2005-4445 — Medium (CVSS 5.1): Off-by-one error in Pegasus Mail 4.21a through 4.21c and 4.30PB1 allows remote attackers to execute arbitrary code via…
CVE-2000-0930 — Medium (CVSS 5.0): Pegasus Mail 3.12 allows remote attackers to read arbitrary files via an embedded URL that calls the mailto: protocol…

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