# CVE-2020-36193: PEAR Archive_Tar Improper Link Resolution Vulnerability

- Exploited (CISA KEV): yes, added 2022-08-25
- Published: 2021-01-18
- CVSS: 7.5 HIGH (v3.1)
- EPSS: 70.6% (99th percentile)
- CWE: CWE-22, CWE-59

Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Before feed history | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2020-36193 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2020-36193