CVE-2024-53868: apache software foundation apache traffic server HTTP Request/Response Smuggling
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-53868DEBIAN-CVE-2024-53868
Published 03-04-2025Last modified 18-04-2025
Vulnerability summary
CVE-2024-53868 is a high (CVSS 7.5) HTTP Request/Response Smuggling vulnerability in apache software foundation apache traffic server. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.5% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.66%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 03-04-2025PublishedVulnerability first disclosed.
- 18-04-2025Last modifiedVulnerability information updated.
Description
Apache Traffic Server allows request smuggling if chunked messages are malformed. This issue affects Apache Traffic Server: from 9.2.0 through 9.2.9, from 10.0.0 through 10.0.4. Users are recommended to upgrade to version 9.2.10 or 10.0.5, which fixes the issue.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.66%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
+0.01 pp
From 0.65% on 18-09-2026
18-09-202618-10-2026
EPSS score0.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apache1 product
- traffic_server≥ 9.0.0, < 9.2.10 | ≥ 10.0.0, < 10.0.5
Apache software foundation1 product
- apache traffic server≥ 9.2.0, ≤ 9.2.9 | ≥ 10.0.0, ≤ 10.0.4
Debian1 product
- trafficserver< 9.2.5+ds-0+deb12u3
Ubuntu1 product
- trafficserverAll versions (No fix recorded)
4 vendors · 4 products