LOW
CVE-2020-27818
CWE-120Published: December 8, 2020· Updated: Jun 17, 2026
3.3
CVSS v3.1
Official Description
A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.
Technical Analysis
CVE-2020-27818 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (16)
→
https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26Third Party Advisory
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https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72Third Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926aThird Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4fThird Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397adThird Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1902011Issue Tracking · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2022/05/msg00043.htmlMailing List · Third Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26Third Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72Third Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926aThird Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4fThird Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397adThird Party Advisory
→
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1902011Issue Tracking · Third Party Advisory
Quick Facts
CVE IDCVE-2020-27818
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-120
CISA KEVNo
Affected3 vendor(s)
PublishedDec 8, 2020
Related CVEs (CWE-120)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-27818 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.