How severe is CVE-2013-4550?

CVE-2013-4550 has a CVSS 2.0 base score of 5.1, rated medium severity.

Is CVE-2013-4550 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-2013-4550?

CVE-2013-4550 primarily affects Duckcorp Bip. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4550?

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

When was CVE-2013-4550 published?

CVE-2013-4550 was published on 2013-12-24 and last updated on 2026-06-16.

CVE-2013-4550

CVE-2013-4550 is a medium-severity vulnerability in Duckcorp Bip with a CVSS 2.0 base score of 5.1. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.1)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Duckcorp Bip
Published: 2013-12-24
Last modified: 2026-06-16

Description

Bip before 0.8.9, when running as a daemon, writes SSL handshake errors to an unexpected file descriptor that was previously associated with stderr before stderr has been closed, which allows remote attackers to write to other sockets and have an unspecified impact via a failed SSL handshake, a different vulnerability than CVE-2011-5268. NOTE: some sources originally mapped this CVE to two different types of issues; this CVE has since been SPLIT, producing CVE-2011-5268.

Frequently asked questions

What is CVE-2013-4550?: Bip before 0.8.9, when running as a daemon, writes SSL handshake errors to an unexpected file descriptor that was previously associated with stderr before stderr has been closed, which allows remote attackers to write to other sockets and have an unspecified impact via a failed SSL handshake, a different vulnerability than CVE-2011-5268. NOTE: some sources originally mapped this CVE to two different types of issues; this CVE has since been SPLIT, producing CVE-2011-5268.
How severe is CVE-2013-4550?: CVE-2013-4550 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2013-4550 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-2013-4550?: CVE-2013-4550 primarily affects Duckcorp Bip. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4550?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4550 published?: CVE-2013-4550 was published on 2013-12-24 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:*:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.0:rc0:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.0:rc1:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.3:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.4:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.5:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.6:*:*:*:*:*:*:*
cpe:2.3:a:duckcorp:bip:0.8.7:*:*:*:*:*:*:*

More vulnerabilities in Duckcorp Bip

CVE-2012-0806 — Medium (CVSS 6.5): Buffer overflow in Bip 0.8.8 and earlier might allow remote authenticated users to execute arbitrary code via vectors…
CVE-2010-3071 — Medium (CVSS 5.0): bip before 0.8.6 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via…
CVE-2011-5268 — Medium (CVSS 4.3): connection.c in Bip before 0.8.9 does not properly close sockets, which allows remote attackers to cause a denial of…

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