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CVE-2013-4949· NVD / CVE Program· CNA mitre

Unrestricted file upload vulnerability in view.php in Machform 2 allows remote attackers to execute arbitrary PHP code by uploading a PHP fi

Unrestricted file upload vulnerability in view.php in Machform 2 allows remote attackers to execute arbitrary PHP code by uploading a PHP file, then accessing it via a direct request to the file in the upload form's directory in data/.

MediumCVSS 6.8 · v2.0—Proof of concept No fix recorded
Published
Jul 29, 2013
Updated
Jun 16, 2026
EPSS
5.5% · 92th percentile
CWE
—
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Report tools

JSON

Action score

29

Monitor

Low priority for now.

CVSS
27 / 40 · 6.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 5.5%

Affected systems

VendorProduct
machformmachform

Affected versions

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

  • machform machform2.0

Same product

machform: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-6411An issue was discovered in Appnitro MachForm before 4.2.3.
    41Plan
  • CVE-2018-6410An issue was discovered in Appnitro MachForm before 4.2.3.
    40Plan
  • CVE-2024-37762MachForm up to version 21 is affected by an authenticated unrestricted file upload which leads to a remote code execution.
    39Monitor
  • CVE-2024-37765Machform up to version 19 is affected by an authenticated Blind SQL injection in the user account settings page.
    35Monitor
  • CVE-2021-20102Machform prior to version 16 is vulnerable to cross-site request forgery due to a lack of CSRF tokens in place.
    35Monitor
  • CVE-2021-20104Machform prior to version 16 is vulnerable to unauthenticated remote code execution due to insufficient sanitization of file attachments upl
    33Monitor

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

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrywebapps2013-07-02

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.

  1. First PoC-28 d
  2. Published
  3. TodaySep 30, 2026+4810 d
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.

No credits in the CNA record.

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

    If successful

    Confidentiality
    P · data can be read
    Integrity
    P · data or configuration can be modified
    Availability
    P · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    P
    Integrity impact
    P
    Availability impact
    P

    Weakness class (CWE)

    —

    CVSS vector

    AV:N/AC:M/Au:N/C:P/I:P/A:P

    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.

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    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