SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8734

SQL injection vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary SQL commands via the selInfoKey1 parameter.

EXPLOIT ×2 ✓CRITICAL 9.8EPSS 53.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 53.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

SQL injection vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary SQL commands via the selInfoKey1 parameter.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
53.76% probability · 99th percentile
Public exploits
2 in Exploit-DB · verified · first 30 April 2018
CISA KEV
Not listed
Weakness
CWE-89
Affected
nagios/nagios xi
Source
cve@mitre.org
EPSS trend
0%28%55%21 September 2026: 44.97%22 September 2026: 52.56%27 September 2026: 53.76%27 October 2026: 53.76%21 September 202627 October 2026

EPSS moved from 45.0% on 21 September 2026 to 53.8% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-44969source ↗Nagios XI 5.2.6-5.4.12 - Chained Remote Code Execution (Metasploit)linux · Metasploitremote2 July 2018yes
EDB-44560source ↗Nagios XI 5.2.6 < 5.2.9 / 5.3 / 5.4 - Chained Remote Rootphp · Jared Aravewebapps30 April 2018yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.