CVE-2016-2296: Meteocontrol WEB'log Basic 100, Light, Pro, and Pro Unlimited does not require authentication for "post-admin"

This week

CRITICAL 9.4REMOTEMITIGATEMITIGATEMITIGATE

CVE-2016-2296 is a critical-severity flaw (CVSS 9.4) affecting web\'log basic 100, web\'log light, web\'log pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Meteocontrol WEB'log Basic 100, Light, Pro, and Pro Unlimited does not require authentication for "post-admin" login pages, which allows remote attackers to obtain sensitive information or modify data via unspecified vectors.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
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	9.4 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	64.3% (top 1%)
CISA exploited list	No
Weakness	CWE-254
Published	2016-05-14
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: meteocontrol

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

Am I affected?

Timeline

2016-05-14 16:59 UTCPublished CVE record published
2026-06-17 00:43 UTCUpdated Record last modified

meteocontrol web\'log basic 100 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy weblog-basic-100 || rpm -q weblog-basic-100 || weblog-basic-100 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

meteocontrol web\'log light MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy weblog-light || rpm -q weblog-light || weblog-light --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

meteocontrol web\'log pro MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy weblog-pro || rpm -q weblog-pro || weblog-pro --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

meteocontrol web\'log pro unlimited MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy weblog-pro-unlimited || rpm -q weblog-pro-unlimited || weblog-pro-unlimited --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Meteocontrol WEB’log - Admin Password Disclosure (Metasploit)
Metasploit: Meteocontrol WEBlog Password Extractor

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-2016-2296?

web\'log basic 100: mitigate or apply the listed mitigation; web\'log light: mitigate or apply the listed mitigation; web\'log pro: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-2296 being exploited?

CVE-2016-2296 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-2016-2296 affect?

CVE-2016-2296 affects web\'log basic 100, web\'log light, web\'log pro. Severity is critical (CVSS 9.4). Meteocontrol WEB'log Basic 100, Light, Pro, and Pro Unlimited does not require authentication for "post-admin" login pages, which allows remote attackers to obtain sensitive information or modify data via unspecified vectors.

How urgent is CVE-2016-2296?

Priority 68/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2016-2298 CRITICAL 9.8 MITIGATE MITIGATE Meteocontrol WEB'log Basic 100, Light, Pro, and Pro Unlimited allows remote attackers to obtain sensitive clea
CVE-2016-2297 CRITICAL 9.4 MITIGATE MITIGATE Meteocontrol WEB'log Basic 100, Light, Pro, and Pro Unlimited allows remote attackers to execute arbitrary com

References

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