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CVE-2013-7205

20
FAUCET Score

CVE-2013-7205 is an off-by-one error in the process_cgivars function of Nagios Core versions 3.5.1, 4.0.2, and earlier. This vulnerability allows remote authenticated users to trigger a heap-based buffer over-read by providing a long string in the last key value of the variable list. The potential impact includes information disclosure from process memory or a denial of service due to a system crash. With a CVSS score of 6.4, this vulnerability has a network attack vector and low attack complexity, but it is not known to be actively exploited, nor is there publicly available exploit code or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.2CPE matchmatch criteria
cpe:2.3:a:nagios:nagios:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:nagios:nagios:3.0:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:nagios:nagios:3.0:alpha1:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:nagios:nagios:3.0:alpha2:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:nagios:nagios:3.0:alpha3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.11%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0411 is in the 86th percentile among its peer group of 23,725 CVEs.

Social Chatter

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

Vendor Patches (4)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: nagios
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6 (Juno)Fixed in: nagios
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 3Fixed in: nagios
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 4Fixed in: nagios

Vendor Advisories (1)

redhatCVE-2013-7205Moderate

nagios: denial of service due to off-by-one flaw in process_cgivars()

Dec 20, 2013

References

secunia.com / advisories/55976
Vendor Advisory
lists.debian.org / debian-lts-announce/2018/12/msg00014.html
sourceforge.net / p/nagios/nagioscore/ci/d97e03f32741a7d851826b03ed73ff4c9612a866
mandriva.com / security/advisories
openwall.com / lists/oss-security/2013/12/24/1
securityfocus.com / bid/64489