How severe is CVE-2012-0033?

CVE-2012-0033 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-0033 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0033?

CVE-2012-0033 primarily affects Znc Znc-msvc. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0033?

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

When was CVE-2012-0033 published?

CVE-2012-0033 was published on 2014-04-08 and last updated on 2026-06-16.

CVE-2012-0033

CVE-2012-0033 is a medium-severity vulnerability in Znc Znc-msvc 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. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Znc Znc-msvc
Published: 2014-04-08
Last modified: 2026-06-16

Description

The CBounceDCCMod::OnPrivCTCP function in bouncedcc.cpp in the bouncedcc module in ZNC 0.200 and 0.202 allows remote attackers to cause a denial of service (crash) via a crafted DCC RESUME request.

Frequently asked questions

What is CVE-2012-0033?: The CBounceDCCMod::OnPrivCTCP function in bouncedcc.cpp in the bouncedcc module in ZNC 0.200 and 0.202 allows remote attackers to cause a denial of service (crash) via a crafted DCC RESUME request.
How severe is CVE-2012-0033?: CVE-2012-0033 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-0033 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0033?: CVE-2012-0033 primarily affects Znc Znc-msvc. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0033?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0033 published?: CVE-2012-0033 was published on 2014-04-08 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:znc:znc-msvc:0.200:-:-:*:-:*:*:*
cpe:2.3:a:znc:znc-msvc:0.202:-:-:*:-:*:*:*

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