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Fencer Intel
high 7.5

CVE-2020-35598 in the critical feed json

ACS Advanced Comment System 1.0 is affected by Directory Traversal via an advanced_component_system/index.php?ACS_path=..%2f URI.

published 5y ago modified 4mo ago also EUVD-2020-23264

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
20.8%
EPSS 20.8% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

ACS Advanced Comment System 1.0 is affected by Directory Traversal via an advanced_component_system/index.php?ACS_path=..%2f URI. NOTE: this might be the same as CVE-2009-4623

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Timeline

  1. Published
  2. First public exploit (EDB-49343)

Exploit prediction

20.84% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-49343 Advanced Comment System 1.0 - 'ACS_path' Path Traversal webapps, 2021-01-04
  • Nuclei template Advanced Comment System 1.0 - Local File Inclusion nuclei detection template
  • seclists.org https://seclists.org/fulldisclosure/2020/Dec/13 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.