How severe is CVE-2000-0442?

CVE-2000-0442 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2000-0442 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0442?

CVE-2000-0442 primarily affects Qualcomm Qpopper. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0442?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2000-0442 published?

CVE-2000-0442 was published on 2000-05-24 and last updated on 2026-06-16.

CVE-2000-0442

CVE-2000-0442 is a high-severity vulnerability in Qualcomm Qpopper with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Qualcomm Qpopper
Published: 2000-05-24
Last modified: 2026-06-16

Description

Qpopper 2.53 and earlier allows local users to gain privileges via a formatting string in the From: header, which is processed by the euidl command.

Frequently asked questions

What is CVE-2000-0442?: Qpopper 2.53 and earlier allows local users to gain privileges via a formatting string in the From: header, which is processed by the euidl command.
How severe is CVE-2000-0442?: CVE-2000-0442 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2000-0442 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0442?: CVE-2000-0442 primarily affects Qualcomm Qpopper. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0442?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2000-0442 published?: CVE-2000-0442 was published on 2000-05-24 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:qualcomm:qpopper:2.52:*:*:*:*:*:*:*
cpe:2.3:a:qualcomm:qpopper:2.53:*:*:*:*:*:*:*
cpe:2.3:h:sun:cobalt_raq_2:*:*:*:*:*:*:*:*
cpe:2.3:h:sun:cobalt_raq_3i:*:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Qpopper

CVE-2003-0143 — Critical (CVSS 10.0): The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message buffer after a call to…
CVE-2001-1046 — Critical (CVSS 10.0): Buffer overflow in qpopper (aka qpop or popper) 4.0 through 4.0.2 allows remote attackers to gain privileges via a long…
CVE-1999-0822 — Critical (CVSS 10.0): Buffer overflow in Qpopper (qpop) 3.0 allows remote root access via AUTH command.
CVE-1999-0006 — Critical (CVSS 9.8): Buffer overflow in POP servers based on BSD/Qualcomm's qpopper allows remote attackers to gain root access using a long…
CVE-2000-0096 — High (CVSS 7.2): Buffer overflow in qpopper 3.0 beta versions allows local users to gain privileges via a long LIST command.
CVE-2000-1198 — Medium (CVSS 5.5): qpopper POP server creates lock files with predictable names, which allows local users to cause a denial of service for…

All CVEs affecting Qualcomm Qpopper →