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CVE-2023-28708

Apache Tomcat: JSESSIONID Cookie missing secure attribute in some configurations

MEDIUM
4.3
CVSS Score
Published: March 22, 2023 at 10:10 AM UTC
Updated: June 17, 2026 at 05:48 AM UTC
1 product affected across 1 vendorTomcat

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Severity
MEDIUM4.3
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

When using the RemoteIpFilter with requests received from a reverse proxy via HTTP that include the X-Forwarded-Proto header set to https, session cookies created by Apache Tomcat 11.0.0-M1 to 11.0.0.-M2, 10.1.0-M1 to 10.1.5, 9.0.0-M1 to 9.0.71 and 8.5.0 to 8.5.85 did not include the secure attribute. This could result in the user agent transmitting the session cookie over an insecure channel. Older, EOL versions may also be affected.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tomcat· Apache
95%
10.1.0-M1 ≤ v ≤ 10.1.511.0.0-M1 ≤ v ≤ 11.0.0-M28.5.0 ≤ v ≤ 8.5.858.5.0 ≤ v < 8.5.869.0.0-M1 ≤ v ≤ 9.0.7110.1.0 < v < 10.1.69.0.0 < v < 9.0.7210.1.0-M111.0.0 milestone111.0.0 milestone211.0.0-M18.5.09.0.0-M1
Affected range stops below 10.1.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.5.86, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.72, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 10.0.0-M1 (unknown)
Vendor states this is fixed in 3 (unknown)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor AdvisoryMailing ListPatch
Source: [email protected]
https://lists.apache.org/thread/hdksc59z3s7tm39x0pp33mtwdrt8qr67
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20230331-0012/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-523

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