How severe is CVE-2014-6261?

CVE-2014-6261 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2014-6261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-6261?

CVE-2014-6261 primarily affects Zenoss Zenoss Core. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6261?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2014-6261 published?

CVE-2014-6261 was published on 2014-12-15 and last updated on 2026-06-17.

CVE-2014-6261

CVE-2014-6261 is a critical-severity vulnerability in Zenoss Zenoss Core with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Zenoss Zenoss Core
Published: 2014-12-15
Last modified: 2026-06-17

Description

Zenoss Core through 5 Beta 3 does not properly implement the Check For Updates feature, which allows remote attackers to execute arbitrary code by (1) spoofing the callhome server or (2) deploying a crafted web site that is visited during a login session, aka ZEN-12657.

Frequently asked questions

What is CVE-2014-6261?: Zenoss Core through 5 Beta 3 does not properly implement the Check For Updates feature, which allows remote attackers to execute arbitrary code by (1) spoofing the callhome server or (2) deploying a crafted web site that is visited during a login session, aka ZEN-12657.
How severe is CVE-2014-6261?: CVE-2014-6261 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2014-6261 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-6261?: CVE-2014-6261 primarily affects Zenoss Zenoss Core. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6261?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2014-6261 published?: CVE-2014-6261 was published on 2014-12-15 and last updated on 2026-06-17.

References

Affected products (20)

cpe:2.3:a:zenoss:zenoss_core:*:beta_3:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:2.4.5:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:4.2.5:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:5.0.0:beta_1:*:*:*:*:*:*
cpe:2.3:a:zenoss:zenoss_core:5.0.0:beta_2:*:*:*:*:*:*

More vulnerabilities in Zenoss Zenoss Core

CVE-2014-6262 — High (CVSS 7.5): Multiple format string vulnerabilities in the python module in RRDtool, as used in Zenoss Core before 4.2.5 and other…
CVE-2014-9249 — High (CVSS 7.5): The default configuration of Zenoss Core before 5 allows remote attackers to read or modify database information by…
CVE-2014-6256 — High (CVSS 7.5): Zenoss Core through 5 Beta 3 allows remote attackers to bypass intended access restrictions and place files in a…
CVE-2014-9386 — Medium (CVSS 6.8): Zenoss Core before 4.2.5 SP161 sets an infinite lifetime for the session ID cookie, which makes it easier for remote…
CVE-2014-9385 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in Zenoss Core through 5 Beta 3 allows remote attackers to hijack the…
CVE-2014-6260 — Medium (CVSS 6.8): Zenoss Core through 5 Beta 3 does not require a password for modifying the pager command string, which allows remote…

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