CVE-2023-33990

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2023-07-11. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

SAP SQL Anywhere - version 17.0, allows an attacker to prevent legitimate users from accessing the service by crashing the service. An attacker with low privileged account and access to the local system can write into the shared memory objects. This can be leveraged by an attacker to perform a Denial of Service. Further, an attacker might be able to modify sensitive data in shared memory objects.This issue only affects SAP SQL Anywhere on Windows. Other platforms are not impacted.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
5.5%
KEV
Not listed

Published

July 11, 2023

Last Modified

November 21, 2024

References (4)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-21 15:23 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-33990?
CVE-2023-33990 is a high vulnerability published on July 11, 2023. SAP SQL Anywhere - version 17.0, allows an attacker to prevent legitimate users from accessing the service by crashing the service. An attacker with low privileged account and access to the local system can write into the shared memory objects. This can be leveraged by an attacker to perform a…
When was CVE-2023-33990 disclosed?
CVE-2023-33990 was first published in the National Vulnerability Database on July 11, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-33990 actively exploited?
CVE-2023-33990 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-33990?
CVE-2023-33990 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2023-33990?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-33990, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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