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CVE-2011-0762

Public exploit available. Not confirmed exploited in the wild yet. Fixed in 2.3.3.

CVSS 2.04.0MediumEPSS percentile99th74% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 4 sourcesFix2.3.3Upgrade to this build
Check it yourself

Nuclei · 1 templateOpenVAS · 15 checks

e.g. vsftpd < 2.3.3 - DoS · OID 1.3.6.1.4.1.25623.1.0.103101

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Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Vsftpd Project VsftpdAffected: < 2.3.3Upgrade to: 2.3.3Stated by: NVD
  • Сообщество свободного программного обеспечения Debian GNU/LinuxAffected: до 6Upgrade to: not statedStated by: BDU

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free Nuclei and OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Discuss checks for your systems with a specialist. Scope is agreed before testing.

What it is

From the CVE record

The vsf_filename_passes_filter function in ls.c in vsftpd before 2.3.3 allows remote authenticated users to cause a denial of service (CPU consumption and process slot exhaustion) via crafted glob expressions in STAT commands in multiple FTP sessions, a different vulnerability than CVE-2010-2632.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS99th
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

4 sources with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

74% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

A public exploit existed 53 days before the patch.

  1. OpenVAS check added
  2. EPSS band changemoderate → high
  3. Patch availablerecord updated
  4. Public exploit / PoCsource: othernuclei check added
  5. Publishedweakness classified, att&ck mapped

Affected products

And 2 more affected products. See all after sign-in

Technical detail

CVSS 2.0 vector

Open in the CVSS calculator

AV:N/AC:L/Au:S/C:N/I:N/A:P

Scored 4.0 by NVD.

How it is reached

  • Access Vector NetworkExploitable remotely over the network
  • Access Complexity LowNo special conditions required
  • Authentication SingleRequires single authentication

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • Availability PartialReduced performance or service disruption

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 26 more references. See all after sign-in

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We'll flag the next CVE, public exploit or patch for Vsftpd, not every advisory. This one: public exploit.