HOMEVULNERABILITIESCVE-2020-23352
HIGH

CVE-2020-23352

NVD-CWE-OtherPublished: January 27, 2021· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Z-BlogPHP 1.6.0 Valyria is affected by incorrect access control. PHP loose comparison and a magic hash can be used to bypass authentication. zb_user/plugin/passwordvisit/include.php:passwordvisit_input_password() uses loose comparison to authenticate, which can be bypassed via magic hash values.

NVD Source

Technical Analysis

CVE-2020-23352 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

zblogcn1 product(s)
z-blogphp
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/zblogcn/zblogphp/commit/a67607fc984f976d6b36b8870dffaabd9d6c9d5e
PATCHhttps://github.com/zblogcn/zblogphp/commit/a67607fc984f976d6b36b8870dffaabd9d6c9d5e

All References (2)

→
https://github.com/zblogcn/zblogphp/commit/a67607fc984f976d6b36b8870dffaabd9d6c9d5ePatch · Third Party Advisory
→
https://github.com/zblogcn/zblogphp/commit/a67607fc984f976d6b36b8870dffaabd9d6c9d5ePatch · Third Party Advisory

Quick Facts

CVE IDCVE-2020-23352
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedJan 27, 2021

Related CVEs (NVD-CWE-Other)

CVE-2003-0509
10.0
CVE-2006-6355
10.0
CVE-1999-0192
10.0
CVE-1999-1405
10.0
CVE-2007-1021
10.0
CVE-2007-2810
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-23352 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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