CVE-2020-18898: exiv2 Uncontrolled Recursion
CVSS: 6.5v3.1MediumModified
AliasesRHSA-2022:1797RHSA-2022:1842DEBIAN-CVE-2020-18898
Published 19-08-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-18898 is a medium (CVSS 6.5) Uncontrolled Recursion vulnerability in exiv2. EPSS estimates a 1.43% chance of exploitation in the next 30 days, higher than 72.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.43%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 19-08-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote attackers to cause a denial of service (DOS) via a crafted file.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · Red hatEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.43%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
0.00 pp
From 1.43% on 21-09-2026
21-09-202621-10-2026
EPSS score1.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExiv2
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Redhat10 products
- compat-exiv2-026< 0:0.26-7.el8
- compat-exiv2-026-debuginfo< 0:0.26-7.el8
- compat-exiv2-026-debugsource< 0:0.26-7.el8
- exiv2< 0:0.27.5-2.el8
- exiv2-debuginfo< 0:0.27.5-2.el8
Debian1 product
- exiv2All versions (No fix recorded)
Exiv21 product
- exiv20.27
3 vendors · 12 products
