CVE-2023-30861

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.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

1.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 69.2% 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:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. 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.

Published

2023-05-02 17:04Z3 YR AGO

Last updated

2025-02-13 16:49Z1 YR AGO

Reserved

2023-04-18

Assigning CNA

GitHub_M

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:H/I:N/A:N

Weaknesses

• CWE-539Use of Persistent Cookies Containing Sensitive InformationVariant
• CWE-488Exposure of Data Element to Wrong SessionBase

Data version

5.1

Document digest

03ed7feddac0236951103dff2ad5542b6d55f3b2e7483381a6e8c50157535282

• github.comhttps://github.com/pallets/flask/security/advisories/GHSA-m2qf-hxjv-5gpqx_refsource_CONFIRM
• github.comhttps://github.com/pallets/flask/commit/70f906c51ce49c485f1d355703e9cc3386b1cc2bx_refsource_MISC
• github.comhttps://github.com/pallets/flask/commit/afd63b16170b7c047f5758eb910c416511e9c965x_refsource_MISC
• github.comhttps://github.com/pallets/flask/releases/tag/2.2.5x_refsource_MISC
• github.comhttps://github.com/pallets/flask/releases/tag/2.3.2x_refsource_MISC
• www.debian.orghttps://www.debian.org/security/2023/dsa-5442
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230818-0006/
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/08/msg00024.html