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CVE-2013-4550

16
FAUCET Score

CVE-2013-4550 describes a vulnerability in Bip before version 0.8.9, affecting duckcorp bip, duckcorp fedora, fedoraproject bip, and fedoraproject fedora. When Bip runs as a daemon, SSL handshake errors are incorrectly written to a file descriptor previously used by stderr, allowing remote attackers to write to other sockets and cause an unspecified impact through a failed SSL handshake. This vulnerability has a CVSS score of 5.1, indicating a medium severity with network access, high attack complexity, and partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
18CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*
19CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
20CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
<= 0.8.8CPE matchmatch criteria
cpe:2.3:a:duckcorp:bip:*:*:*:*:*:*:*:*
0.8.0CPE matchmatch criteria
cpe:2.3:a:duckcorp:bip:0.8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.1MEDIUM

AV:N/AC:H/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.22%
Probability of exploitation in next 30 days
EPSS Percentile
80.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 69th percentile among its peer group of 19,954 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

fedorapatch availablevia nvd_reference
View patch

References

lists.fedoraproject.org / pipermail/package-announce/2013-November/121868.html
Patch
lists.fedoraproject.org / pipermail/package-announce/2013-November/122274.html
lists.fedoraproject.org / pipermail/package-announce/2013-November/122278.html
projects.duckcorp.org / issues/261
projects.duckcorp.org / versions/13
openwall.com / lists/oss-security/2014/01/02/9