How severe is CVE-2002-0507?

CVE-2002-0507 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2002-0507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0507?

CVE-2002-0507 primarily affects Microsoft Exchange Server. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0507?

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

When was CVE-2002-0507 published?

CVE-2002-0507 was published on 2002-08-12 and last updated on 2026-06-16.

CVE-2002-0507

CVE-2002-0507 is a low-severity vulnerability in Microsoft Exchange Server with a CVSS 2.0 base score of 2.1. 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-287.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Microsoft Exchange Server
Published: 2002-08-12
Last modified: 2026-06-16

Description

An interaction between Microsoft Outlook Web Access (OWA) with RSA SecurID allows local users to bypass the SecurID authentication for a previous user via several submissions of an OWA Authentication request with the proper OWA password for the previous user, which is eventually accepted by OWA.

Frequently asked questions

What is CVE-2002-0507?: An interaction between Microsoft Outlook Web Access (OWA) with RSA SecurID allows local users to bypass the SecurID authentication for a previous user via several submissions of an OWA Authentication request with the proper OWA password for the previous user, which is eventually accepted by OWA.
How severe is CVE-2002-0507?: CVE-2002-0507 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2002-0507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0507?: CVE-2002-0507 primarily affects Microsoft Exchange Server. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0507?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-0507 published?: CVE-2002-0507 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:5.5:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:5.5:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:5.5:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:5.5:sp4:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2000:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2000:sp2:*:*:*:*:*:*
cpe:2.3:h:rsa:securid:5.0:*:*:*:*:*:*:*

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