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CVE-2012-1987· NVD / CVE Program· CNA mitre

Unspecified vulnerability in Puppet 2.6.x before 2.6.15 and 2.7.x before 2.7.13, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x, an

Unspecified vulnerability in Puppet 2.6.x before 2.6.15 and 2.7.x before 2.7.13, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows remote authenticated users with agent SSL keys to (1) cause a denial of service (memory consumption) via a REST request to a stream that triggers a thread block, as demonstrated using CVE-2012-1986 and /dev/random; or (2) cause a denial of service (filesystem consumption) via crafted REST requests that use "a marshaled form of a Puppet::FileBucket::File object" to write to arbitrary file locations.

LowCVSS 3.5 · v2.0—No exploit Fix available
Published
May 29, 2012
Updated
Jun 16, 2026
EPSS
2.6% · 84th percentile
CWE
—
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Report tools

JSON

Action score

15

Monitor

Low priority for now.

CVSS
14 / 40 · 3.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.6%

Affected systems

VendorProduct
puppetpuppet
puppetpuppet enterprise

Affected versions

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

  • puppet puppet2.6.0 and later · before 2.6.15
  • puppet puppet2.7.0 and later · before 2.7.13
  • puppet puppet enterprise1.0 and later · before 2.5.1

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:11puppetbefore 2.7.13-12.7.13-1
Debian:6.0puppetbefore 2.6.2-5+squeeze52.6.2-5+squeeze5
RubyGemspuppetfrom 2.6.0 · before 2.6.152.6.15
RubyGemspuppetfrom 2.7.0 · before 2.7.132.7.13

Same product

puppet: all records

Other highest-scoring records for the same primary product.

  • CVE-2016-2785Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to
    40Plan
  • CVE-2013-1640The (1) template and (2) inline_template functions in the master server in Puppet before 2.6.18, 2.7.x before 2.7.21, and 3.1.x before 3.1.1
    37Monitor
  • CVE-2021-27021A flaw was discovered in Puppet DB, this flaw results in an escalation of privileges which allows the user to delete tables via an SQL query
    35Monitor
  • CVE-2018-6513Puppet Enterprise 2016.4.x prior to 2016.4.12, Puppet Enterprise 2017.3.x prior to 2017.3.7, Puppet Enterprise 2018.1.x prior to 2018.1.1, P
    35Monitor
  • CVE-2017-2295Versions of Puppet prior to 4.10.1 will deserialize data off the wire (from the agent to the server, in this case) with a attacker-specified
    33Monitor
  • CVE-2018-6515Puppet Agent 1.10.x prior to 1.10.13, Puppet Agent 5.3.x prior to 5.3.7, and Puppet Agent 5.5.x prior to 5.5.2 on Windows only, with a speci
    31Monitor

Remediation

Which version to upgrade to

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

Product / packageFixed versionSource
debian:puppet2.7.13-1 · Debian:11Package registry (OSV)
RubyGems:puppet2.6.15Package registry (OSV)
RubyGems:puppet2.7.13Package registry (OSV)

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.

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
    none
    Integrity
    none
    Availability
    P · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    None
    Availability impact
    P

    Weakness class (CWE)

    —

    CVSS vector

    AV:N/AC:M/Au:S/C:N/I:N/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

    1. Fix✗ → ✓

    For records you follow, these changes also arrive as notifications. →

    References

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

    All records