Vulnerability in Apache Tomcat
CVE-2023-34981
A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Apache Tomcat — versions 8.5.88, 9.0.74, 10.1.8
- Apache Software Foundation Tomcat — versions 11.0.0-M5, 10.1.8, 9.0.74
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread/j1ksjh9m9gx1q60rtk1sbzmxhvj5h5qz (vendor-advisory, Mailing List, Vendor Advisory)
- security.netapp.com/advisory/ntap-20230714-0003/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-34981?
- CVE-2023-34981 is a high-severity vulnerability in Apache Tomcat, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.5/10. Published 2023-06-21.
- How severe is CVE-2023-34981?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-34981 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.