MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow remote attackers to read or write to arbitrary files b
MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow remote attackers to read or write to arbitrary files by spoofing a crafted response from the Nagios RSS feed server. NOTE: this vulnerability exists because of an incomplete fix for CVE-2008-4796.
- Published
- Dec 15, 2016
- Updated
- Jun 16, 2026
- EPSS
- 22.7% · 98th percentile
- CWE
- CWE-284
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
46
Plan
Add it to your regular patch cycle.
- CVSS
- 39 / 40 · 9.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 7 / 30 · 22.7%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| nagios | nagios | cpe:2.3:a:nagios:nagios |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- nagios nagiosup to 4.2.1 inclusive
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:7 | nagios3 | before 3.4.1-3+deb7u3 | 3.4.1-3+deb7u3 |
| Red Hat:openstack:5::el6 | nagios | before 0:3.5.1-9.el6 | 0:3.5.1-9.el6 |
| Red Hat:openstack:5::el6 | nagios-common | before 0:3.5.1-9.el6 | 0:3.5.1-9.el6 |
| Red Hat:openstack:5::el6 | nagios-debuginfo | before 0:3.5.1-9.el6 | 0:3.5.1-9.el6 |
| Red Hat:openstack:5::el6 | nagios-devel | before 0:3.5.1-9.el6 | 0:3.5.1-9.el6 |
| Red Hat:openstack:5::el7 | nagios | before 0:3.5.1-9.el7 | 0:3.5.1-9.el7 |
| Red Hat:openstack:5::el7 | nagios-common | before 0:3.5.1-9.el7 | 0:3.5.1-9.el7 |
| Red Hat:openstack:5::el7 | nagios-debuginfo | before 0:3.5.1-9.el7 | 0:3.5.1-9.el7 |
| Red Hat:openstack:5::el7 | nagios-devel | before 0:3.5.1-9.el7 | 0:3.5.1-9.el7 |
Same product
nagios: all recordsOther highest-scoring records for the same primary product.
- CVE-2009-2288statuswml.cgi in Nagios before 3.1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) ping or (2) T55Plan
- CVE-2012-6096Multiple stack-based buffer overflows in the get_history function in history.cgi in Nagios Core before 3.4.4, and Icinga 1.6.x before 1.6.2,50Plan
- CVE-2002-1959Nagios 1.0b1 through 1.0b3 allows remote attackers to execute arbitrary commands via shell metacharacters in plugin output.41Plan
- CVE-2016-0726The Fedora Nagios package uses "nagiosadmin" as the default password for the "nagiosadmin" administrator account, which makes it easier for 40Plan
- CVE-2013-7108Multiple off-by-one errors in Nagios Core 3.5.1, 4.0.2, and earlier, and Icinga before 1.8.5, 1.9 before 1.9.4, and 1.10 before 1.10.2 allow40Plan
- CVE-2020-6585Nagios Log Server 2.1.3 has CSRF.35Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:nagios3 | 3.4.1-3+deb7u3 · Debian:7 | Package registry (OSV) |
| red hat:nagios | 0:3.5.1-9.el7 · Red Hat:openstack:5::el7 | Package registry (OSV) |
| red hat:nagios-common | 0:3.5.1-9.el7 · Red Hat:openstack:5::el7 | Package registry (OSV) |
| red hat:nagios-debuginfo | 0:3.5.1-9.el7 · Red Hat:openstack:5::el7 | Package registry (OSV) |
| red hat:nagios-devel | 0:3.5.1-9.el7 · Red Hat:openstack:5::el7 | Package registry (OSV) |
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | remote | 2016-12-15 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-1 d
- Published
- TodaySep 30, 2026+3576 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-284 · Improper Access ControlCVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Embedding Scripts within ScriptsCAPEC-19likelihood: High · High
- Malicious Logic InsertionCAPEC-441likelihood: Medium · High
- Modification of Windows Service ConfigurationCAPEC-478likelihood: Low · High
- Malicious Root CertificateCAPEC-479likelihood: Low · Low
- Intent SpoofCAPEC-502
- WebView ExposureCAPEC-503
- Data Injected During ConfigurationCAPEC-536likelihood: Low · High
- Incomplete Data Deletion in a Multi-Tenant EnvironmentCAPEC-546likelihood: Low · Medium
ATT&CK techniques
- RootkitT1014
- Obfuscated Files or Information: Embedded PayloadsT1027.009
- Boot or Logon Initialization ScriptsT1037
- Taint shared contentT1080
- Server Software Component: Terminal Services DLLT1505.005
- Pre-OS Boot:BootkitT1542.003
- Create or Modify System ProcessT1543
- Create or Modify System Process: Launch AgentT1543.001
- Create or Modify System Process:Windows ServiceT1543.003
- Create or Modify System Process: Launch DaemonT1543.004
- Event Triggered Execution:Change Default File AssociationT1546.001
- Event Triggered Execution:.bash_profile and .bashrcT1546.004
- Event Triggered Execution: Accessibility FeaturesT1546.008
- Event Triggered Execution: Installer PackagesT1546.016
- Boot or Logon Autostart ExecutionT1547
- Boot or Logon Autostart Execution:Kernel Modules and ExtensionsT1547.006
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- rhn.redhat.com/errata/RHSA-2017-0211.html
- rhn.redhat.com/errata/RHSA-2017-0212.html
- rhn.redhat.com/errata/RHSA-2017-0213.html
- rhn.redhat.com/errata/RHSA-2017-0214.html
- rhn.redhat.com/errata/RHSA-2017-0258.html
- rhn.redhat.com/errata/RHSA-2017-0259.html
- seclists.org/fulldisclosure/2016/Dec/57
- www.securityfocus.com/archive/1/539925/100/0/threaded
- www.securityfocus.com/bid/94922
- www.securitytracker.com/id/1037488
- security.gentoo.org/glsa/201702-26
- security.gentoo.org/glsa/201710-20
- www.exploit-db.com/exploits/40920/
- www.nagios.org/projects/nagios-core/history/4x/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.