The installer in PEAR 1.9.2 and earlier allows local users to overwrite arbitrary files via a symlink attack on the package.xml file, related to the (1) download_dir, (2) cache_dir, (3) tmp_dir, and (4) pear-build-download directories. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1072.
Conclusion & alert: CVE-2011-1144 is rated Low Risk (21.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.31%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 0.12% | 0.31% | +0.19% |
| 2 | 2025-03-30 | 0.18% | 0.12% | -0.06% |
| 3 | 2025-03-29 | — | 0.18% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.3 | 2.0 | LOW |
|
3.4 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2011-1144: 1 GLSA(s) (201412-09), 25 atom(s) (app-admin/syslog-ng, app-misc/ca-certificates, …); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-1144 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2011-1144 |
ubuntu
|
low | CVE-2011-1144 low priority: Ubuntu including 1 source packages (php5), 7 status rows across 7 suites (dapper, hardy, karmic, lucid, maverick, natty, upstream): released 6, needs-triage 1. | https://ubuntu.com/security/CVE-2011-1144 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| php | pear | <= 1.9.2 | cpe:2.3:a:php:pear:*:*:*:*:*:*:*:* |
| php | pear | 0.2.2 | cpe:2.3:a:php:pear:0.2.2:*:*:*:*:*:*:* |
| php | pear | 0.9 | cpe:2.3:a:php:pear:0.9:*:*:*:*:*:*:* |
| php | pear | 0.10 | cpe:2.3:a:php:pear:0.10:*:*:*:*:*:*:* |
| php | pear | 0.11 | cpe:2.3:a:php:pear:0.11:*:*:*:*:*:*:* |
| php | pear | 0.90 | cpe:2.3:a:php:pear:0.90:*:*:*:*:*:*:* |
| php | pear | 1.0 | cpe:2.3:a:php:pear:1.0:*:*:*:*:*:*:* |
| php | pear | 1.0.1 | cpe:2.3:a:php:pear:1.0.1:*:*:*:*:*:*:* |
| php | pear | 1.1 | cpe:2.3:a:php:pear:1.1:*:*:*:*:*:*:* |
| php | pear | 1.2 | cpe:2.3:a:php:pear:1.2:*:*:*:*:*:*:* |
| php | pear | 1.2.1 | cpe:2.3:a:php:pear:1.2.1:*:*:*:*:*:*:* |
| php | pear | 1.3 | cpe:2.3:a:php:pear:1.3:*:*:*:*:*:*:* |
| php | pear | 1.3.1 | cpe:2.3:a:php:pear:1.3.1:*:*:*:*:*:*:* |
| php | pear | 1.3.3 | cpe:2.3:a:php:pear:1.3.3:*:*:*:*:*:*:* |
| php | pear | 1.3.3.1 | cpe:2.3:a:php:pear:1.3.3.1:*:*:*:*:*:*:* |
| php | pear | 1.3.4 | cpe:2.3:a:php:pear:1.3.4:*:*:*:*:*:*:* |
| php | pear | 1.3.5 | cpe:2.3:a:php:pear:1.3.5:*:*:*:*:*:*:* |
| php | pear | 1.3.6 | cpe:2.3:a:php:pear:1.3.6:*:*:*:*:*:*:* |
| php | pear | 1.4.0 | cpe:2.3:a:php:pear:1.4.0:*:*:*:*:*:*:* |
| php | pear | 1.4.0 | cpe:2.3:a:php:pear:1.4.0:rc1:*:*:*:*:*:* |
| php | pear | 1.4.0 | cpe:2.3:a:php:pear:1.4.0:rc2:*:*:*:*:*:* |
| php | pear | 1.4.1 | cpe:2.3:a:php:pear:1.4.1:*:*:*:*:*:*:* |
| php | pear | 1.4.2 | cpe:2.3:a:php:pear:1.4.2:*:*:*:*:*:*:* |
| php | pear | 1.5.0 | cpe:2.3:a:php:pear:1.5.0:*:*:*:*:*:*:* |
| php | pear | 1.5.1 | cpe:2.3:a:php:pear:1.5.1:*:*:*:*:*:*:* |
| php | pear | 1.6.1 | cpe:2.3:a:php:pear:1.6.1:*:*:*:*:*:*:* |
| php | pear | 1.9.1 | cpe:2.3:a:php:pear:1.9.1:*:*:*:*:*:*:* |