GHSA-v58w-6xc2-w799 · Severity: low · Ecosystem: rubygems — Puppet Denial of Service and Arbitrary File Write
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.
Conclusion & alert: CVE-2012-1987 is rated Moderate Risk (44.8/100): CVSS Low severity, with medium exploitation likelihood (EPSS 2.55%). Core evidence: EPSS rose +1.79% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.76% | 2.55% | +1.79% |
| 2 | 2025-11-21 | 0.66% | 0.76% | +0.10% |
| 3 | 2025-03-30 | — | 0.66% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
GHSA-v58w-6xc2-w799 · Severity: low · Ecosystem: rubygems — Puppet Denial of Service and Arbitrary File Write
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-1987 not yet assigned priority: Debian including 1 source packages (puppet), 1 status rows across 1 suites (bullseye): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2012-1987 |
gentoo
|
high | CVE-2012-1987: 1 GLSA(s) (201208-02), 1 atom(s) (app-admin/puppet); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-1987 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2012-1987 |
suse
|
medium | CVE-2012-1987 severity moderate: SUSE including 7 source package names (puppet-2.6.12-0.14.1, puppet-2.6.18-0.4.2, …), 7 product×package rows across 3 product lines (SUSE Linux Enterprise Server 11 SP1-TERADATA, SUSE Linux Enterprise Server 11 SP3, SUSE Linux Enterprise Server 11 SP4): Fixed 7. | https://www.suse.com/security/cve/CVE-2012-1987/ |
ubuntu
|
medium | CVE-2012-1987 medium priority: Ubuntu including 1 source packages (puppet), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 3, ignored 2, needs-triage 1. | https://ubuntu.com/security/CVE-2012-1987 |