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01 Record

CVE-2022-42252

Apache Tomcat request smuggling via malformed content-length

HighPUBLISHEDCNA: apache
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

02 Description

Apache Tomcat request smuggling via malformed content-length

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
1.57% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 75.2% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-11-01 00:00Z3 YR AGO
Last updated
2025-05-06 15:09Z1 YR AGO
Reserved
2022-10-03
Assigning CNA
apache
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses
  • CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')Base
Data version
5.1
Document digest
09ed3f8e2bface5998bf35ff400aee2a8da07ca2eb6f9ea94ec95441f7a981a8

05 Affected products

VendorProductVersionsPlatforms
Apache Software FoundationApache Tomcat10.1.0-M1 to 10.1.0, 10.0.0-M1 to 10.0.26, 9.0.0-M1 to 9.0.67, 8.5.0 to 8.5.82—

06 References

07 Fixed in

Debian 12

  • tomcat9
    Fixed in 9.0.68-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • tomcat9
    Fixed in 9.0.68-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • tomcat9
    Fixed in 9.0.68-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • tomcat9
    Fixed in 9.0.31-1ubuntu0.5

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 18.04 LTS

  • tomcat8
    Fixed in 8.5.39-1ubuntu1~18.04.3+esm1
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • tomcat9
    Fixed in 9.0.16-3ubuntu0.18.04.2+esm1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 22.04 LTS

  • tomcat9
    Fixed in 9.0.58-1ubuntu0.1+esm1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.