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CVE-2010-4180

22
FAUCET Score

CVE-2010-4180 describes a vulnerability in OpenSSL versions prior to 0.9.8q and 1.0.0c, affecting products like Debian, Fedora, and OpenSUSE. When SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG is enabled, it allows remote attackers to downgrade the ciphersuite in the session cache by sniffing network traffic to discover a session identifier. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial integrity impact, but no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.8qCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
>= 1.0.0, < 1.0.0cCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
13CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:*
14CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
9.50%
Probability of exploitation in next 30 days
EPSS Percentile
94.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0950 is in the 94th percentile among its peer group of 19,958 CVEs.

Social Chatter

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 (8)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: openssl-0:0.9.7a-43.17.el4_8.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openssl-0:0.9.8e-12.el5_5.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openssl-0:1.0.0-4.el6_0.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 1.0
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: openssl096b
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openssl097a
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openssl098e

Vendor Advisories (1)

redhatCVE-2010-4180Moderate

openssl: NETSCAPE_REUSE_CIPHER_CHANGE_BUG ciphersuite downgrade attack

Dec 2, 2010

References

cvs.openssl.org / chngview
Broken LinkPatch
h20000.www2.hp.com / bizsupport/TechSupport/Document.jsp
Broken Link
lists.apple.com / archives/security-announce/2011//Jun/msg00000.html
Broken LinkMailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2010-December/052027.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2010-December/052315.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2011-01/msg00003.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2011-05/msg00005.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2011-07/msg00013.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2011-07/msg00014.html
Mailing ListThird Party Advisory
marc.info
Issue TrackingThird Party Advisory
marc.info
Issue TrackingThird Party Advisory
marc.info
Issue TrackingThird Party Advisory
openssl.org / news/secadv_20101202.txt
PatchThird Party Advisory
osvdb.org / 69565
Broken Link
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
secunia.com / advisories/42469
Not Applicable
secunia.com / advisories/42473
Not Applicable
secunia.com / advisories/42493
Not Applicable
secunia.com / advisories/42571
Not Applicable
secunia.com / advisories/42620
Not Applicable
secunia.com / advisories/42811
Not Applicable
secunia.com / advisories/42877
Not Applicable
secunia.com / advisories/43169
Not Applicable
secunia.com / advisories/43170
Not Applicable
secunia.com / advisories/43171
Not Applicable
secunia.com / advisories/43172
Not Applicable
secunia.com / advisories/43173
Not Applicable
secunia.com / advisories/44269
Not Applicable
kb.bluecoat.com / index
Broken Link
slackware.com / security/viewer.php
Third Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18910
Third Party Advisory
support.apple.com / kb/HT4723
Third Party Advisory
ubuntu.com / usn/usn-1029-1
Third Party Advisory
debian.org / security/2011/dsa-2141
Third Party Advisory
kb.cert.org / vuls/id/737740
Third Party AdvisoryUS Government Resource
mandriva.com / security/advisories
Permissions Required
redhat.com / support/errata/RHSA-2010-0977.html
Third Party Advisory
redhat.com / support/errata/RHSA-2010-0978.html
Third Party Advisory
redhat.com / support/errata/RHSA-2010-0979.html
Third Party Advisory
redhat.com / support/errata/RHSA-2011-0896.html
Vendor Advisory
securityfocus.com / archive/1/522176
Third Party AdvisoryVDB Entry
securityfocus.com / bid/45164
Third Party AdvisoryVDB Entry
securitytracker.com / id
Broken LinkThird Party AdvisoryVDB Entry
vupen.com / english/advisories/2010/3120
Permissions Required
vupen.com / english/advisories/2010/3122
Permissions Required
vupen.com / english/advisories/2010/3134
Permissions Required
vupen.com / english/advisories/2010/3188
Permissions Required
vupen.com / english/advisories/2011/0032
Permissions Required
vupen.com / english/advisories/2011/0076
Permissions Required
vupen.com / english/advisories/2011/0268
Permissions Required