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CVE-2023-5263· NVD / CVE Program· CNA VulDB

ZZZCMS Database Backup File save.php restore permission

A vulnerability was found in ZZZCMS 2.1.7 and classified as critical. Affected by this issue is the function restore of the file /admin/save.php of the component Database Backup File Handler. The manipulation leads to permission issues. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240872.

HighCVSS 8.8 · v3.1—No exploit No fix recorded
Published
Sep 29, 2023
Updated
Jun 17, 2026
EPSS
0.7% · 53th percentile
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Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.8
CNA · VulDB
6.3
2.5 point gap

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
zzzcmszzzcms

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • zzzcms zzzcms2.1.7

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a ZZZCMS

    • 2.1.7affected

Same product

zzzcms: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-45554File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via modification of the imageext parameter fr
    39Monitor
  • CVE-2020-19682A Cross Site Request Forgery (CSRF) vulnerability exits in ZZZCMS V1.7.1 via the save_user funciton in save.php.
    35Monitor
  • CVE-2023-45555File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via a crafted file to the down_url function i
    31Monitor
  • CVE-2023-5582ZZZCMS Personal Profile Page cross site scripting
    21Monitor
  • CVE-2020-19683A Cross Site Scripting (XSS) exists in ZZZCMS V1.7.1 via an editfile action in save.php.
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

EPSS, last 120 days

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 researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

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.
  • A low-privileged account is enough.
  • 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
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-275 · Permission Issues

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records