CVE-2017-20188

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 32.4% of scored records. A rank, not a probability.

NVD base score

4.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2024-01-02 14:31Z2 YR AGO

Last updated

2025-06-03 14:45Z1 YR AGO

Reserved

2023-12-31

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Low (CVSS 2.6)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

2e85909659162908ec9ba8266ab82f67b6feed86aee60522eda1cb5d95044c3c

• vuldb.comhttps://vuldb.com/?id.249421vdb-entrytechnical-description
• vuldb.comhttps://vuldb.com/?ctiid.249421signaturepermissions-required
• github.comhttps://github.com/Zimbra/zm-ajax/commit/8d039d6efe80780adc40c6f670c06d21de272105patch
• github.comhttps://github.com/Zimbra/zm-ajax/releases/tag/8.8.2patch