CVE-2021-29093: ArcGIS Server image service and raster analytics security update: use-after-free
Modified
Published 25-03-2021Last modified 17-09-2024
Vulnerability summary
CVE-2021-29093 is a medium (CVSS 6.8) Use After Free vulnerability in esri arcgis server. EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 62% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.1 (NVD)EPSS score
0.98%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 25-03-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 6.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.4Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.4MediumCVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Medium 6.0Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.98%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 0.95% on 26-09-2026
26-09-202626-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Esri1 product
- arcgis server≥ All, ≤ 10.9 | ≤ 10.8.1
1 vendor · 1 product
References
1 links- www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/security-advisory-server-imageX Refsource CONFIRMVendor Advisory