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CVE-2007-4995

29
FAUCET Score

CVE-2007-4995 describes an off-by-one error within the DTLS implementation of OpenSSL versions prior to 0.9.8f. This critical vulnerability, rated with a CVSS score of 9.3, allows remote attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability, albeit with medium attack complexity. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.9.8CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
0.9.8aCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
0.9.8bCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
0.9.8cCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*
0.9.8dCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
11.16%
Probability of exploitation in next 30 days
EPSS Percentile
95.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1116 is in the 77th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openssl-0:0.9.8b-8.3.el5_0.2
View patch

Vendor Advisories (1)

redhatCVE-2007-4995Important

openssl dtls out of order vulnerabilitiy

Oct 12, 2007

References

bugs.gentoo.org / show_bug.cgi
h20000.www2.hp.com / bizsupport/TechSupport/Document.jsp
lists.opensuse.org / opensuse-security-announce/2007-10/msg00006.html
secunia.com / advisories/25878
Vendor Advisory
secunia.com / advisories/27205
Vendor Advisory
secunia.com / advisories/27217
Vendor Advisory
secunia.com / advisories/27271
Vendor Advisory
secunia.com / advisories/27363
Vendor Advisory
secunia.com / advisories/27434
Vendor Advisory
secunia.com / advisories/27933
Vendor Advisory
secunia.com / advisories/28084
Vendor Advisory
secunia.com / advisories/30161
Vendor Advisory
secunia.com / advisories/30220
Vendor Advisory
secunia.com / advisories/30852
Vendor Advisory
security.gentoo.org / glsa/glsa-200710-30.xml
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/37185
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10288
support.nortel.com / go/main.jsp
usn.ubuntu.com / 534-1
redhat.com / archives/fedora-package-announce/2007-October/msg00218.html
debian.org / security/2008/dsa-1571
gentoo.org / security/en/glsa/glsa-200805-07.xml
mandriva.com / security/advisories
openssl.org / news/secadv_20071012.txt
Patch
redhat.com / support/errata/RHSA-2007-0964.html
Vendor Advisory
securityfocus.com / archive/1/482167/100/0/threaded
securityfocus.com / bid/26055
vupen.com / english/advisories/2007/3487
Vendor Advisory
vupen.com / english/advisories/2007/4219
Vendor Advisory
vupen.com / english/advisories/2008/1937/references
Vendor Advisory