CVE-2021-29093
CVE-2021-29093 is a medium-severity vulnerability in Esri Arcgis Server with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- CVSS v2: 6.0
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Esri Arcgis Server
- Published:
- Last modified:
Description
A use-after-free vulnerability when parsing a specially crafted file in Esri ArcGIS Server 10.8.1 (and earlier) allows an authenticated attacker with specialized permissions to achieve arbitrary code execution in the context of the service account.
Frequently asked questions
- What is CVE-2021-29093?
- A use-after-free vulnerability when parsing a specially crafted file in Esri ArcGIS Server 10.8.1 (and earlier) allows an authenticated attacker with specialized permissions to achieve arbitrary code execution in the context of the service account.
- How severe is CVE-2021-29093?
- CVE-2021-29093 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-29093 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-29093?
- CVE-2021-29093 affects Esri Arcgis Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-29093?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-29093 published?
- CVE-2021-29093 was published on 2021-03-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:esri:arcgis_server:*:*:*:*:*:*:*:*
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