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CVE-2007-6121

15
FAUCET Score

CVE-2007-6121 describes a denial-of-service vulnerability affecting Wireshark (formerly Ethereal) versions 0.8.16 through 0.99.6, where a malformed RPC Portmap packet can cause the application to crash. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, leading to a denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.8.16CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.8.16:*:*:*:*:*:*:*
0.8.17CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.8.17:*:*:*:*:*:*:*
0.8.17aCPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.8.17a:*:*:*:*:*:*:*
0.8.18CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.8.18:*:*:*:*:*:*:*
0.8.19CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.8.19:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.00%
Probability of exploitation in next 30 days
EPSS Percentile
78.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0200 is in the 67th percentile among its peer group of 23,725 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, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: libsmi-0:0.4.5-3.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: wireshark-0:0.99.7-EL3.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: libsmi-0:0.4.5-2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: wireshark-0:0.99.7-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libsmi-0:0.4.5-2.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: wireshark-0:0.99.7-1.el5
View patch

Vendor Advisories (1)

redhatCVE-2007-6121Low

wireshark RPC Portmap flaws

Nov 22, 2007

References

bugs.gentoo.org / show_bug.cgi
lists.opensuse.org / opensuse-security-announce/2008-02/msg00008.html
secunia.com / advisories/27777
Vendor Advisory
secunia.com / advisories/27817
Vendor Advisory
secunia.com / advisories/28197
Vendor Advisory
secunia.com / advisories/28207
Vendor Advisory
secunia.com / advisories/28288
Vendor Advisory
secunia.com / advisories/28304
secunia.com / advisories/28325
Vendor Advisory
secunia.com / advisories/28564
Vendor Advisory
secunia.com / advisories/28583
Vendor Advisory
secunia.com / advisories/29048
Vendor Advisory
security.gentoo.org / glsa/glsa-200712-23.xml
securitytracker.com / id
issues.rpath.com / browse/RPL-1975
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11374
redhat.com / archives/fedora-package-announce/2007-December/msg00606.html
redhat.com / archives/fedora-package-announce/2007-December/msg00712.html
wiki.rpath.com / wiki/Advisories:rPSA-2008-0004
debian.org / security/2007/dsa-1414
mandriva.com / security/advisories
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2008-0058.html
redhat.com / support/errata/RHSA-2008-0059.html
securityfocus.com / archive/1/485792/100/0/threaded
securityfocus.com / bid/26532
Patch
vupen.com / english/advisories/2007/3956
wireshark.org / security/wnpa-sec-2007-03.html
Patch