CVE-2021-29117: arcreader use-after-free
Modified
Published 12-08-2022Last modified 10-04-2025
Vulnerability summary
CVE-2021-29117 is a high (CVSS 7.8) Use After Free vulnerability in esri arcreader. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38.2% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.0 (CVE.org)EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 12-08-2022PublishedVulnerability first disclosed.
- 10-04-2025Last modifiedVulnerability information updated.
Description
A use-after-free vulnerability when parsing a specially crafted file in Esri ArcReader 10.8.1 (and earlier) allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
High 7.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.44% 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
- arcreader≥ All, < 10.8.2 | ≤ 10.8.1
1 vendor · 1 product