CVE-2018-7631: Buffer Overflow in httpd in EpiCentro E_7.3.2+ allows attackers to execute code remotely via a specially craft

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CRITICAL 9.8REMOTEMITIGATE

CVE-2018-7631 is a critical-severity flaw (CVSS 9.8) affecting epicentro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer Overflow in httpd in EpiCentro E_7.3.2+ allows attackers to execute code remotely via a specially crafted GET request without a leading "/" and without authentication.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-119
Published	2018-10-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: adbglobal

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-10-09 22:29 UTCPublished CVE record published
2026-06-17 02:03 UTCUpdated Record last modified

adbglobal epicentro MITIGATE

Affected: 7.3.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.3.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-7631?

epicentro: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-7631 being exploited?

CVE-2018-7631 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-7631 affect?

CVE-2018-7631 affects epicentro. Severity is critical (CVSS 9.8). Buffer Overflow in httpd in EpiCentro E_7.3.2+ allows attackers to execute code remotely via a specially crafted GET request without a leading "/" and without authentication.

How urgent is CVE-2018-7631?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Apache HTTP Server vulnerabilities

Related CVEs

CVE-2018-7633 CRITICAL 9.8 MITIGATE Code injection in the /ui/login form Language parameter in Epicentro E_7.3.2+ allows attackers to execute Java
CVE-2018-7632 HIGH 7.5 MITIGATE Buffer Overflow in httpd in EpiCentro E_7.3.2+ allows attackers to cause a denial of service attack remotely v

References

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