How severe is CVE-2001-0277?

CVE-2001-0277 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2001-0277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0277?

CVE-2001-0277 affects Working Resources Inc. Badblue. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0277?

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

When was CVE-2001-0277 published?

CVE-2001-0277 was published on 2001-05-03 and last updated on 2026-06-16.

CVE-2001-0277

CVE-2001-0277 is a critical-severity vulnerability in Working Resources Inc. Badblue with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Working Resources Inc. Badblue
Published: 2001-05-03
Last modified: 2026-06-16

Description

Buffer overflow in ext.dll in BadBlue 1.02.07 Personal Edition allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long HTTP GET request.

Frequently asked questions

What is CVE-2001-0277?: Buffer overflow in ext.dll in BadBlue 1.02.07 Personal Edition allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long HTTP GET request.
How severe is CVE-2001-0277?: CVE-2001-0277 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2001-0277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0277?: CVE-2001-0277 affects Working Resources Inc. Badblue. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0277?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2001-0277 published?: CVE-2001-0277 was published on 2001-05-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:working_resources_inc.:badblue:1.2.7:*:*:*:*:*:*:*

More vulnerabilities in Working Resources Inc. Badblue

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-2002-2170 — High (CVSS 7.5): Working Resources Inc. BadBlue Enterprise Edition 1.7 through 1.74 attempts to restrict administrator actions to the IP…
CVE-2002-1973 — High (CVSS 7.5): Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation…
CVE-2002-1022 — High (CVSS 7.5): BadBlue server stores passwords in plaintext in the ext.ini file, which could allow local and possibly remote attackers…

All CVEs affecting Working Resources Inc. Badblue →