CVE-2026-20312Disclosure

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20312 are related to Cleartext storage of sensitive information issues that are grouped under the Common Weakness Enumeration (CWE) CWE-312.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-312

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

Patch or workaround signal is available
2 mentions across 2 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
Disclosure: 1 classified signal
Peaked 1d ago at 1 mentions (2026-08-05); latest day: 1
2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d

Signal classification2 categories

Disclosure

150.0%

Patch

150.0%

Referenced assets2 URLs

By indicator

Classification over time

Date	Total	Labels

2026-08-05	1	Disclosure1
2026-08-13	1	Patch1

Full discourse2 posts

iototsecnews@iototsecnews39d
Patch
Cisco Catalyst SD-WAN の複数の深刻な脆弱性が FIX：不適切な入力検証やアクセス・コントロール https://iototsecnews.jp/2026/08/06/cisco-patched-multiple-critical-vulnerabilities-in-catalyst-sd-wan-update-now/ Cisco Catalyst SD-WAN Software において、入力検証の不備やアクセス制御の問題などに起因する複数の深刻な脆弱性が発見されました。対象となる CVE は CVE-2026-20303／CVE-2026-20304／CVE-2026-20310 (CVSS：9.9)、CVE-2026-20312 (CVSS：8.8)、CVE-2026-20313 (CVSS：7.7) です。これらを悪用されると、機密情報の露出や不正なファイルアクセスなど、システム全体へ甚大な被害が及ぶ恐れがあります。回避策となる設定変更が存在しないため、修正済みバージョンへのアップデートが必要です。運用環境の更新状況を確認し、迅速に対応を進めてください。 #CatalystSDWAN #Cisco #CVE202620303 #CVE202620304 #CVE202620310 #CVE202620312 #CVE202620313 #Vulnerability
Post summary
The announcement details multiple critical vulnerabilities (CVE‑2026‑20303, ‑20304, ‑20310, ‑20312, ‑20313) in Cisco Catalyst SD‑WAN, provides CVSS scores, and stresses that there is no workaround other than updating to a patched version.
01001182
507 followersView on X
Kaitan ID Security@KaitanSecurity46d
Disclosure
⚠️ HIGH — CVE-2026-20312 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering … CVSS 8.8 Full analysis → https://sec.kaitan.id/cves/CVE-2026-20312 #Cisco #CyberSecurity #InfoSec
Post summary
The post announces the high‑severity CVE‑2026‑20312 with a CVSS score of 8.8 and provides a link to a full analysis, offering no PoC, exploit details, or remediation steps.
0000050
88 followersView on X

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