How severe is CVE-2002-1872?

CVE-2002-1872 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2002-1872 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-1872?

CVE-2002-1872 primarily affects Microsoft Sql Server. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-1872?

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-2002-1872 published?

CVE-2002-1872 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-1872

CVE-2002-1872 is a high-severity vulnerability in Microsoft Sql Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-326.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Microsoft Sql Server
Published: 2002-12-31
Last modified: 2026-06-16

Description

Microsoft SQL Server 6.0 through 2000, with SQL Authentication enabled, uses weak password encryption (XOR), which allows remote attackers to sniff and decrypt the password.

Frequently asked questions

What is CVE-2002-1872?: Microsoft SQL Server 6.0 through 2000, with SQL Authentication enabled, uses weak password encryption (XOR), which allows remote attackers to sniff and decrypt the password.
How severe is CVE-2002-1872?: CVE-2002-1872 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2002-1872 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1872?: CVE-2002-1872 primarily affects Microsoft Sql Server. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-1872?: 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-2002-1872 published?: CVE-2002-1872 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:microsoft:sql_server:6.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:6.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:7.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:7.0:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:7.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:7.0:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:7.0:sp4:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:2000:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:2000:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:sql_server:2000:sp2:*:*:*:*:*:*

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