How severe is CVE-2002-1021?

CVE-2002-1021 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-1021 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-2002-1021?

CVE-2002-1021 primarily affects Working Resources Inc. Badblue. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-1021?

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

When was CVE-2002-1021 published?

CVE-2002-1021 was published on 2002-10-04 and last updated on 2026-06-16.

CVE-2002-1021

CVE-2002-1021 is a medium-severity vulnerability in Working Resources Inc. Badblue with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Working Resources Inc. Badblue
Published: 2002-10-04
Last modified: 2026-06-16

Description

BadBlue server allows remote attackers to read restricted files, such as EXT.INI, via an HTTP request that contains a hex-encoded null byte.

Frequently asked questions

What is CVE-2002-1021?: BadBlue server allows remote attackers to read restricted files, such as EXT.INI, via an HTTP request that contains a hex-encoded null byte.
How severe is CVE-2002-1021?: CVE-2002-1021 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-1021 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-2002-1021?: CVE-2002-1021 primarily affects Working Resources Inc. Badblue. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-1021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-1021 published?: CVE-2002-1021 was published on 2002-10-04 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:working_resources_inc.:badblue:1.7.3_enterprise:*:*:*:*:*:*:*
cpe:2.3:a:working_resources_inc.:badblue:1.7.3_personal:*:*:*:*:*:*:*

More vulnerabilities in Working Resources Inc. Badblue

CVE-2001-0277 — Critical (CVSS 10.0): Buffer overflow in ext.dll in BadBlue 1.02.07 Personal Edition allows remote attackers to cause a denial of service and…
CVE-2003-0332 — High (CVSS 7.6): The ISAPI extension in BadBlue 1.7 through 2.2, and possibly earlier versions, modifies the first two letters of a…
CVE-2005-0595 — High (CVSS 7.5): Buffer overflow in ext.dll in BadBlue 2.55 allows remote attackers to execute arbitrary code via a long mfcisapicommand…
CVE-2002-1541 — High (CVSS 7.5): BadBlue 1.7 allows remote attackers to bypass password protections for directories and files via an HTTP request…
CVE-2002-1973 — High (CVSS 7.5): Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation…
CVE-2002-2170 — High (CVSS 7.5): Working Resources Inc. BadBlue Enterprise Edition 1.7 through 1.74 attempts to restrict administrator actions to the IP…

All CVEs affecting Working Resources Inc. Badblue →