cisco ip phone 8821 firmware

Name: cisco ip phone 8821 firmware
Brand: cisco

productUS

cpe:2.3:o:cisco:ip_phone_8821_firmware:*:*:*:*:*:*:*:*

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

by severity

2critical3high4medium2low

updated 2026-10-28

vulnerabilities (14)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2020-3161US	critical9.8OT critical	83.9% (100th)	KEV	no fix	2020-04-15	3 versions
CVE-2020-26139US	medium5.3	6.49% (94th)	—	no fix	2021-05-11	—
CVE-2020-24588US	low3.5OT elevated	3.61% (89th)	—	no fix	2021-05-11	—
CVE-2019-1716US	critical9.8	3.11% (88th)	—	11.0\(4\)sr3	2019-03-22	< 11.0\(4\)sr3
CVE-2020-26140US	medium6.5OT elevated	2.92% (87th)	—	no fix	2021-05-11	—
CVE-2020-24587US	low2.6OT elevated	2.59% (85th)	—	no fix	2021-05-11	—
CVE-2019-1763US	high7.5	1.94% (80th)	—	11.0\(5\)	2019-03-22	< 11.0\(5\)
CVE-2019-1765US	medium6.5	1.37% (72nd)	—	11.0\(5\)	2019-03-22	< 11.0\(5\)
CVE-2019-1764US	high8.8	0.70% (53rd)	—	11.0\(5\)	2019-03-22	< 11.0\(5\)
CVE-2023-20018US	medium6.5OT elevated	0.61% (49th)	—	14.1\(1\)sr2	2023-01-20	< 14.1\(1\)sr2
CVE-2025-20350US	—	0.48% (41st)	—	11.0\(1\)	2025-10-15	8 versions
CVE-2025-20336US	high7.5	0.39% (33rd)	—	11.0\(6\)	2025-09-03	2 versions
CVE-2025-20335US	—	0.35% (29th)	—	11.0\(6\)	2025-09-03	2 versions
CVE-2025-20351US	—	0.29% (21st)	—	11.0\(1\)	2025-10-15	8 versions

The flaw types (CWEs) most of these CVEs share.

CWE-327Use of a Broken or Risky Cryptographic Algorithm3 CVEs
CWE-20Improper Input Validation2 CVEs
CWE-284Improper Access Control2 CVEs
CWE-287Improper Authentication2 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
CWE-121Stack-based Buffer Overflow1 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor1 CVEs
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')1 CVEs

Which sources assert this record, and when.

scry

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