CVE-2020-14797

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Libraries). Supported versions that are affected are Java SE: 7u271, 8u261, 11.0.8 and 15; Java SE Embedded: 8u261. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Java SE, Java SE Embedded accessible data. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

Published: 2020-10-21 Last update: 2025-05-27 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2020-14797 is rated Low Risk (27/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-14797

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.64% 0.15% -0.49%
2 2025-11-18 0.24% 0.64% +0.40%
3 2025-03-30 0.24%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-14797

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.7 3.1 LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.2 1.4 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2020-14797

OS Trackers for CVE-2020-14797

vendor priority summary link
alpine CVE-2020-14797: 3 source package rows (openjdk11, openjdk7, openjdk8); 17 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 17, open 0. https://security.alpinelinux.org/vuln/CVE-2020-14797
debian not yet assigned CVE-2020-14797 not yet assigned priority: Debian including 2 source packages (openjdk-11, openjdk-8), 3 status rows across 2 suites (bullseye, sid): resolved 3. https://security-tracker.debian.org/tracker/CVE-2020-14797
gentoo normal CVE-2020-14797: 2 GLSA(s) (202101-19, 202409-26), 5 atom(s) (dev-java/icedtea, dev-java/icedtea-bin, dev-java/openjdk, dev-java/openjdk-bin, dev-java/openjdk-jre-bin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-14797
redhat medium https://access.redhat.com/security/cve/CVE-2020-14797
suse medium CVE-2020-14797 severity moderate: SUSE including 412 source package names (10.1.33-openjdk11-59.4:java-11-openjdk-11.0.9.0-3.48.1, 10.1.33-openjdk11-59.4:java-11-openjdk-headless-11.0.9.0-3.48.1, …), 1112 product×package rows across 135 product lines (Container bci/openjdk, Container bci/openjdk-devel, … (135 product lines)): Fixed 881, Known Affected 231. https://www.suse.com/security/cve/CVE-2020-14797/
ubuntu medium CVE-2020-14797 medium priority: Ubuntu including 7 source packages (icedtea-web, openjdk-12, …), 112 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 59, released 18, ignored 15, needs-triage 12, not-affected 8. https://ubuntu.com/security/CVE-2020-14797

Affected software / configurations for CVE-2020-14797

Vendor Product Version Raw CPE
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:-:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update1:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update10:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update101:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update11:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update111:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update121:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update13:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update131:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update141:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update15:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update151:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update161:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update17:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update171:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update181:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update191:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update2:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update201:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update21:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update211:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update221:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update231:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update241:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update25:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update251:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update261:*:*:*:*:*:*
oracle openjdk 7 cpe:2.3:a:oracle:openjdk:7:update271:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:-:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone1:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone2:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone3:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone4:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone5:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone6:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone7:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone8:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:milestone9:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update101:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update102:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update11:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update111:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update112:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update121:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update131:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update141:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update151:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update152:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update161:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update162:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update171:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update172:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update181:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update191:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update192:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update20:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update201:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update202:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update211:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update212:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update221:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update222:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update231:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update232:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update241:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update242:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update25:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update252:*:*:*:*:*:*
oracle openjdk 8 cpe:2.3:a:oracle:openjdk:8:update262:*:*:*:*:*:*
oracle openjdk 11 cpe:2.3:a:oracle:openjdk:11:*:*:*:*:*:*:*
oracle openjdk 11.0.1 cpe:2.3:a:oracle:openjdk:11.0.1:*:*:*:*:*:*:*
oracle openjdk 11.0.2 cpe:2.3:a:oracle:openjdk:11.0.2:*:*:*:*:*:*:*
oracle openjdk 11.0.3 cpe:2.3:a:oracle:openjdk:11.0.3:*:*:*:*:*:*:*
oracle openjdk 11.0.4 cpe:2.3:a:oracle:openjdk:11.0.4:*:*:*:*:*:*:*
oracle openjdk 11.0.5 cpe:2.3:a:oracle:openjdk:11.0.5:*:*:*:*:*:*:*
oracle openjdk 11.0.6 cpe:2.3:a:oracle:openjdk:11.0.6:*:*:*:*:*:*:*
oracle openjdk 11.0.7 cpe:2.3:a:oracle:openjdk:11.0.7:*:*:*:*:*:*:*
oracle openjdk 11.0.8 cpe:2.3:a:oracle:openjdk:11.0.8:*:*:*:*:*:*:*
oracle openjdk 13 cpe:2.3:a:oracle:openjdk:13:*:*:*:*:*:*:*
oracle openjdk 13.0.1 cpe:2.3:a:oracle:openjdk:13.0.1:*:*:*:*:*:*:*

References for CVE-2020-14797

cvelogic Threat Intelligence