Page generated: 08 Nov 2026, 09:34 UTC
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CVE-2024-38475

Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source …

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Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure. Substitutions in server context that use a backreferences or variables as the first segment of the substitution are affected.  Some unsafe RewiteRules will be broken by this change and the rewrite flag "UnsafePrefixStat" can be used to opt back in once ensuring the substitution is appropriately constrained.
CVSS 9.1 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.9/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.1: +1.36
  • Fresh EPSS: 99.96%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 11 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Cyber Press
Press · 02 Oct 2026, 07:00 · Apache HTTP Server Flaws Enable Remote Code Execution, DoS and Authentication Bypass - Cyber Press
GBHackers News
Press · 02 Oct 2026, 05:01 · Apache HTTP Server Flaws Enable Remote Code Execution and Denial-of-Service Attacks - GBHackers News
Dark Reading
Press · 04 Aug 2025, 07:00 · Akira Attacking SonicWall Firewalls, Suggesting Zero-Day - Dark Reading
The Record from Recorded Future News
Press · 04 Aug 2025, 07:00 · SonicWall: Recent SSLVPN activity not connected to a zero-day vulnerability (Updated) - The Record from Recorded Future News
The Hacker News
Press · 16 Jul 2025, 07:00 · UNC6148 Backdoors Fully-Patched SonicWall SMA 100 Series Devices with OVERSTEP Rootkit - The Hacker News
See all 11 source documents
The Record from Recorded Future News
Press · 16 Jul 2025, 07:00 · Google spots tailored backdoor malware aimed at SonicWall appliances - The Record from Recorded Future News
Google Cloud
Press · 16 Jul 2025, 07:00 · Ongoing SonicWall Secure Mobile Access (SMA) Exploitation Campaign using the OVERSTEP Backdoor - Google Cloud
The Hacker News
Press · 04 Jun 2025, 07:00 · HPE Issues Security Patch for StoreOnce Bug Allowing Remote Authentication Bypass - The Hacker News
Hackread
Press · 03 May 2025, 07:00 · watchTowr Warns of Active Exploitation of SonicWall SMA 100 Devices - Hackread
watchTowr Labs
Press · 01 May 2025, 07:00 · SonicBoom, From Stolen Tokens to Remote Shells - SonicWall SMA (CVE-2023-44221, CVE-2024-38475) - watchTowr Labs
The Hacker News
Press · 01 May 2025, 07:00 · SonicWall Confirms Active Exploitation of Flaws Affecting Multiple Appliance Models - The Hacker News

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.9 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

3

Public exploit entries / repo candidates

See 3 repos with metrics
RepositoryStarsForksLanguageUpdated
mrmtwoj/apache-vulnerability-testing13624Python05 Oct 2024, 20:37
abrewer251/CVE-2024-38475_SonicBoom_Apache_URL_Traversal_PoC01Python09 May 2025, 17:44
akabul0us/apache_poc00—17 Oct 2026, 19:58
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.1; EPSS 100.0%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:15.790101+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
01 Jul 2024, 18:15
Added to the CISA KEV catalog
01 May 2025, 00:00
First press mention
01 May 2025, 07:00
Latest press mention
02 Oct 2026, 07:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
3 repositories