CVE-2007-6121

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Published: 2007-11-23 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-6121 is rated Moderate Risk (50.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.85%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-6121

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-12 2.42% 2.85% +0.43%
2 2025-03-30 6.06% 2.42% -3.64%
3 2025-03-29 — 6.06% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-6121

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-6121

OS Trackers for CVE-2007-6121

vendor priority summary link
debian low CVE-2007-6121 low priority: Debian including 1 source packages (wireshark), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-6121
gentoo high CVE-2007-6121: 1 GLSA(s) (200712-23), 1 atom(s) (net-analyzer/wireshark); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-6121
redhat low — https://access.redhat.com/security/cve/CVE-2007-6121
ubuntu low CVE-2007-6121 low priority: Ubuntu including 2 source packages (ethereal, wireshark), 18 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 8, ignored 4, not-affected 4, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2007-6121

Affected software / configurations for CVE-2007-6121

Vendor Product Version Raw CPE
ethereal_group ethereal 0.8.16 cpe:2.3:a:ethereal_group:ethereal:0.8.16:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.17 cpe:2.3:a:ethereal_group:ethereal:0.8.17:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.17a cpe:2.3:a:ethereal_group:ethereal:0.8.17a:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.18 cpe:2.3:a:ethereal_group:ethereal:0.8.18:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.19 cpe:2.3:a:ethereal_group:ethereal:0.8.19:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.20 cpe:2.3:a:ethereal_group:ethereal:0.8.20:*:*:*:*:*:*:*
ethereal_group ethereal 0.9 cpe:2.3:a:ethereal_group:ethereal:0.9:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.0 cpe:2.3:a:ethereal_group:ethereal:0.9.0:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.1 cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.2 cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.3 cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.4 cpe:2.3:a:ethereal_group:ethereal:0.9.4:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.5 cpe:2.3:a:ethereal_group:ethereal:0.9.5:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.6 cpe:2.3:a:ethereal_group:ethereal:0.9.6:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.7 cpe:2.3:a:ethereal_group:ethereal:0.9.7:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.8 cpe:2.3:a:ethereal_group:ethereal:0.9.8:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.9 cpe:2.3:a:ethereal_group:ethereal:0.9.9:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.10 cpe:2.3:a:ethereal_group:ethereal:0.9.10:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.11 cpe:2.3:a:ethereal_group:ethereal:0.9.11:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.12 cpe:2.3:a:ethereal_group:ethereal:0.9.12:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.13 cpe:2.3:a:ethereal_group:ethereal:0.9.13:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.14 cpe:2.3:a:ethereal_group:ethereal:0.9.14:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.15 cpe:2.3:a:ethereal_group:ethereal:0.9.15:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.16 cpe:2.3:a:ethereal_group:ethereal:0.9.16:*:*:*:*:*:*:*
ethereal_group ethereal 0.10 cpe:2.3:a:ethereal_group:ethereal:0.10:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.0 cpe:2.3:a:ethereal_group:ethereal:0.10.0:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.0a cpe:2.3:a:ethereal_group:ethereal:0.10.0a:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.1 cpe:2.3:a:ethereal_group:ethereal:0.10.1:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.2 cpe:2.3:a:ethereal_group:ethereal:0.10.2:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.3 cpe:2.3:a:ethereal_group:ethereal:0.10.3:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.4 cpe:2.3:a:ethereal_group:ethereal:0.10.4:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.5 cpe:2.3:a:ethereal_group:ethereal:0.10.5:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.6 cpe:2.3:a:ethereal_group:ethereal:0.10.6:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.7 cpe:2.3:a:ethereal_group:ethereal:0.10.7:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.8 cpe:2.3:a:ethereal_group:ethereal:0.10.8:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.9 cpe:2.3:a:ethereal_group:ethereal:0.10.9:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.10 cpe:2.3:a:ethereal_group:ethereal:0.10.10:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.11 cpe:2.3:a:ethereal_group:ethereal:0.10.11:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.12 cpe:2.3:a:ethereal_group:ethereal:0.10.12:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.13 cpe:2.3:a:ethereal_group:ethereal:0.10.13:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.14 cpe:2.3:a:ethereal_group:ethereal:0.10.14:*:*:*:*:*:*:*
ethereal_group ethereal 0.99.0 cpe:2.3:a:ethereal_group:ethereal:0.99.0:*:*:*:*:*:*:*
wireshark wireshark 0.8.16 cpe:2.3:a:wireshark:wireshark:0.8.16:*:*:*:*:*:*:*
wireshark wireshark 0.9.8 cpe:2.3:a:wireshark:wireshark:0.9.8:*:*:*:*:*:*:*
wireshark wireshark 0.9.10 cpe:2.3:a:wireshark:wireshark:0.9.10:*:*:*:*:*:*:*
wireshark wireshark 0.99 cpe:2.3:a:wireshark:wireshark:0.99:*:*:*:*:*:*:*
wireshark wireshark 0.99.0 cpe:2.3:a:wireshark:wireshark:0.99.0:*:*:*:*:*:*:*
wireshark wireshark 0.99.1 cpe:2.3:a:wireshark:wireshark:0.99.1:*:*:*:*:*:*:*
wireshark wireshark 0.99.2 cpe:2.3:a:wireshark:wireshark:0.99.2:*:*:*:*:*:*:*
wireshark wireshark 0.99.3 cpe:2.3:a:wireshark:wireshark:0.99.3:*:*:*:*:*:*:*
wireshark wireshark 0.99.4 cpe:2.3:a:wireshark:wireshark:0.99.4:*:*:*:*:*:*:*
wireshark wireshark 0.99.5 cpe:2.3:a:wireshark:wireshark:0.99.5:*:*:*:*:*:*:*
wireshark wireshark 0.99.6 cpe:2.3:a:wireshark:wireshark:0.99.6:*:*:*:*:*:*:*

References for CVE-2007-6121

URL Tags
http://bugs.gentoo.org/show_bug.cgi?id=199958
http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00008.html
http://secunia.com/advisories/27777 Vendor Advisory
http://secunia.com/advisories/27817 Vendor Advisory
http://secunia.com/advisories/28197 Vendor Advisory
http://secunia.com/advisories/28207 Vendor Advisory
http://secunia.com/advisories/28288 Vendor Advisory
http://secunia.com/advisories/28304
http://secunia.com/advisories/28325 Vendor Advisory
http://secunia.com/advisories/28564 Vendor Advisory
http://secunia.com/advisories/28583 Vendor Advisory
http://secunia.com/advisories/29048 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200712-23.xml
http://securitytracker.com/id?1018988
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0004
http://www.debian.org/security/2007/dsa-1414
http://www.mandriva.com/security/advisories?name=MDVSA-2008:001
http://www.mandriva.com/security/advisories?name=MDVSA-2008:1
http://www.redhat.com/support/errata/RHSA-2008-0058.html
http://www.redhat.com/support/errata/RHSA-2008-0059.html
http://www.securityfocus.com/archive/1/485792/100/0/threaded
http://www.securityfocus.com/bid/26532 Patch
http://www.vupen.com/english/advisories/2007/3956
http://www.wireshark.org/security/wnpa-sec-2007-03.html Patch
https://issues.rpath.com/browse/RPL-1975
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11374
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00606.html
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00712.html
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