CVE-2022-42252
Apache Tomcat request smuggling via malformed content-length
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.
- 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
06 References
- lists.apache.orghttps://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sq
- security.gentoo.orghttps://security.gentoo.org/glsa/202305-37
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+esm1Available with Ubuntu Pro: https://ubuntu.com/pro
- tomcat9 Fixed in 9.0.16-3ubuntu0.18.04.2+esm1Available 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+esm1Available 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.