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TI-2003-00017 Aliases CVE-2003-0020GHSA-cc5w-cgc4-9qf7

Apache does not filter terminal escape sequences from its error logs, which could make it…

Priority LOW 39Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Partial · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Apache does not filter terminal escape sequences from its error logs, which could make it easier for attackers to insert those sequences into terminal emulators containing vulnerabilities related to escape sequences.

Why it matters now

EPSS 0.16458 97th percentileScored 2026-11-07
Fix Fixed Red Hat: 6 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*1.3.0 to before 1.3.31; 2.0.0 to before 2.0.49VulnerableApache
  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 1.3.0 to before 1.3.31; 2.0.0 to before 2.0.49 Vulnerable ·Apache

Remediation

Red Hat 6 advisories

  • RHSA-2003:244 Released 2003-09-22 · Red Hat rating Moderate
    apache security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Enterprise Linux ES version 2.1
    • Red Hat Enterprise Linux WS version 2.1
    • Red Hat Linux Advanced Workstation 2.1
  • RHSA-2003:243 Released 2003-09-22 · Red Hat rating Moderate
    : Updated Apache and mod_ssl packages fix security vulnerabilities
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
  • RHSA-2003:083 Released 2003-06-18 · Red Hat rating Low
    apache security update for Stronghold
    • Stronghold 4 for Red Hat Enterprise Linux
Show 3 more Red Hat advisories
  • RHSA-2003:139 Released 2003-04-09 · Red Hat rating Low
    : Updated httpd packages fix security vulnerabilities.
    • Red Hat Linux 8.0
    • Red Hat Linux 9
  • RHSA-2003:104 Released 2003-03-18 · Red Hat rating Important
    apache, openssl, php security update for Stronghold
    • Red Hat Stronghold 3
  • RHSA-2003:082 Released 2003-03-03 · Red Hat rating Important
    apache, openssl, php, tomcat security update for Stronghold
    • Red Hat Stronghold 4

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2003:244
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2003:244
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2003:244
Red Hat Linux 7.1Fixed RHSA-2003:243
Red Hat Linux 7.2Fixed RHSA-2003:243
Red Hat Linux 7.3Fixed RHSA-2003:243
Red Hat Linux 8.0Fixed RHSA-2003:139
Red Hat Linux 9Fixed RHSA-2003:139
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2003:244
Red Hat Stronghold 3Fixed RHSA-2003:104
Red Hat Stronghold 4Fixed RHSA-2003:082
Stronghold 4 for Red Hat Enterprise LinuxFixed RHSA-2003:083

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0020
  2. 2026-10-03 Alias added: GHSA-cc5w-cgc4-9qf7

References

Advisory 21

Other 16

  • TI-2021-18535 Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-18417 Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49 KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-25716 Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path. KEVCVSS 3.1CRITICAL 9.1
  • TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
  • TI-2019-00184 Use after free in Apache HTTP Server KEVCVSS 3.1HIGH 7.8
  • TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
See all 349 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences