CVE-2020-7105 [High] | Security Vulnerability in Hiredis

CVE-2020-7105 is rated High Exploit Risk (77/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.77%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.46% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

EDB-ID	Source	Kind	Published	Link
—	nvd_ref	exploit_tag		Exploit-DB ↗

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#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.31%	2.77%	+2.46%
2	2026-06-02	0.57%	0.31%	-0.26%
3	2025-11-21	—	0.57%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.31%

2.77%

+2.46%

2026-06-02

0.57%

0.31%

-0.26%

2025-11-21

—

0.57%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` 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:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. 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:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	3.6	[email protected]
5.0	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:N/I:N/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	10.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
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:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

3.6

[email protected]

5.0

2.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

2.9

[email protected]

OS Trackers for CVE-2020-7105

vendor	priority	summary	link
`alpine`	high	CVE-2020-7105: 1 source package rows (hiredis); 2 state rows across 2 repos (3.10-main, 3.11-main); fixed 0, open 2.	https://security.alpinelinux.org/vuln/CVE-2020-7105
`debian`	not yet assigned	CVE-2020-7105 not yet assigned priority: Debian including 1 source packages (hiredis), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2020-7105
`ubuntu`	medium	CVE-2020-7105 medium priority: Ubuntu including 1 source packages (hiredis), 18 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 12, needed 3, ignored 2, released 1.	https://ubuntu.com/security/CVE-2020-7105

Affected software / configurations for CVE-2020-7105

Vendor	Product	Version	Raw CPE
redislabs	hiredis	<= 0.14.0	cpe:2.3:a:redislabs:hiredis::::::::
debian	debian_linux	8.0	cpe:2.3:o:debian:debian_linux:8.0:::::::*
fedoraproject	fedora	30	cpe:2.3:o:fedoraproject:fedora:30:::::::*
fedoraproject	fedora	31	cpe:2.3:o:fedoraproject:fedora:31:::::::*

References for CVE-2020-7105

URL	Tags
https://github.com/redis/hiredis/issues/747	Exploit Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00028.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/76ZDGWBV3YEEQ2YC65ZJEQLKQFVFBZHX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKOTCIYFEWJJILUGL4JQ3CJAM3TWYZ2A/

URL

CVE-2020-7105

Public exploit references (Exploit-DB) for CVE-2020-7105

Exploit prediction scoring system (EPSS) score for CVE-2020-7105

Common vulnerability scoring system (CVSS) metrics for CVE-2020-7105

Weakness enumeration for CVE-2020-7105

OS Trackers for CVE-2020-7105

Affected software / configurations for CVE-2020-7105

References for CVE-2020-7105