CVE-2020-9703

mediumpriority · track · 23EPSS 0.024 · 84 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.38% (84th) EPSS

CVSS 4.3 · medium

Is it mine?

33 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Adobe Acrobat and Reader versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and earlier, and 2015.006.30523 and earlier have a stack exhaustion vulnerability. Successful exploitation could lead to application denial-of-service.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.4–5.5

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.13.4lowAV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400US

affected products (33)

Products and version ranges known to be affected.

Adobe Acrobat <2015.006.30527all versionscert_bundDE
Adobe Acrobat <2017.011.30175all versionscert_bundDE
Adobe Acrobat <2020.001.30005all versionscert_bundDE
Adobe Acrobat DC <2020.012.20041all versionscert_bundDE
Adobe Acrobat Reader <2015.006.30527all versionscert_bundDE
Adobe Acrobat Reader <2017.011.30175all versionscert_bundDE
Adobe Acrobat Reader <2020.001.30005all versionscert_bundDE
Adobe Acrobat Reader DC <2020.012.20041all versionscert_bundDE
Adobe Acrobat< 2015.006.30527cert_bundDE
Adobe Acrobat< 2017.011.30175cert_bundDE
Adobe Acrobat< 2020.001.30005cert_bundDE
Adobe Acrobat DC< 2020.012.20041cert_bundDE
Adobe Acrobat Reader< 2015.006.30527cert_bundDE
Adobe Acrobat Reader< 2017.011.30175cert_bundDE
Adobe Acrobat Reader< 2020.001.30005cert_bundDE
Adobe Acrobat Reader DC< 2020.012.20041cert_bundDE
Adobe Adobe Acrobat and Reader≤ 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and earlier, and 2015.006.30523 and earlier versionsenisa_euvdEU
Adobe Systems Inc. Adobe Acrobat 2015≤ 2015.006.30527 Classic 2015fstec_bduRU
Adobe Systems Inc. Adobe Acrobat 2017≤ 2017.011.30175 Classic 2017fstec_bduRU
Adobe Systems Inc. Adobe Acrobat 2020≤ 2020.001.30005 Classic 2020fstec_bduRU

showing 20 of 33

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1068Adobe Acrobat und Acrobat Reader: Mehrere SchwachstellenDeutsch2020-08-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Adobe Acrobat und Adobe Acrobat Reader ausnutzen, um seine Privilegien zu erhöhen, beliebigen Programmcode auszuführen, Informationen offenzulegen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2020-08-19modified 2026-06-17

related (9,612)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-28318US	—OT critical	43.7% (99th)	KEV	2026-06-04
SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provi…
CVE-2026-45498US	high7.5OT critical	63.1% (99th)	KEV	2026-05-20
Microsoft Defender Denial of Service Vulnerability
CVE-2023-44487US	high7.5OT critical	100.0% (100th)	KEV	2023-10-10
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through…
CVE-2023-38180US	—OT critical	14.1% (97th)	KEV	2023-08-08
.NET and Visual Studio Denial of Service Vulnerability
CVE-2021-44228US	critical10.0OT critical	100.0% (100th)	KEV	2021-12-10
Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect agai…

+9607 more

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan