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CVE-2013-2566

The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for remote attackers to conduct plaintext-recovery attacks via statistical analys...

Exploitation likely. EPSS gives it a 84% chance of exploitation in the next 30 days. Fixed in xcp_1121.

CVSS 3.05.9MediumEPSS percentile99th84% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFixxcp_1121Upgrade to this build

Published Updated Sources: CVE.org, NVD, CSAF

NVD CVE.org

What to do

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

  • Oracle Communications Application Session ControllerAffected: ≥ 3.0.0, ≤ 3.9.1Upgrade to: after 3.9.1Stated by: NVD
  • Oracle Integrated Lights Out Manager FirmwareAffected: ≥ 3.0.0, ≤ 3.2.11Upgrade to: after 3.2.11Stated by: NVD
  • Fujitsu Sparc Enterprise M3000 FirmwareAffected: ≥ xcp, < xcp_1121Upgrade to: xcp_1121Stated by: NVD
  • Fujitsu Sparc Enterprise M4000 FirmwareAffected: ≥ xcp, < xcp_1121Upgrade to: xcp_1121Stated by: NVD
  • Fujitsu Sparc Enterprise M5000 FirmwareAffected: ≥ xcp, < xcp_1121Upgrade to: xcp_1121Stated by: NVD

Versions as the sources state them. 9 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Successful exploitation of these vulnerabilities could allow an attacker to access sensitive information, reboot the UR, gain privileged access, or cause a denial-of-service condition.

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
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

84% 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

7 events over 4851 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. EPSS band changecritical → high
  3. Patch availablerecord updated
  4. Publishedweakness classified, att&ck mapped

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.0 vector

Open in the CVSS calculator

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Scored 5.9 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

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

Sources

References in the record

And 52 more references. See all after sign-in

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